diff --git a/companion/src/CMakeLists.txt b/companion/src/CMakeLists.txt
index 9343d71b9..f9ad14463 100644
--- a/companion/src/CMakeLists.txt
+++ b/companion/src/CMakeLists.txt
@@ -244,6 +244,7 @@ set(companion_SRCS
   radionotfound.cpp
   wizarddata.cpp
   wizarddialog.cpp
+  styleeditdialog.cpp
   )
 
 set(companion_MOC_HDRS
@@ -275,6 +276,8 @@ set(companion_MOC_HDRS
   modelprinter.h
   multimodelprinter.h
   modelslist.h
+  styleeditdialog.h
+  helpers_html.h
   )
 
 set(companion_UIS
@@ -295,6 +298,7 @@ set(companion_UIS
   flashfirmwaredialog.ui
   flasheepromdialog.ui
   radionotfound.ui
+  styleeditdialog.ui
   )
 
 if(WIN32)
diff --git a/companion/src/companion.qrc b/companion/src/companion.qrc
index c3088a53e..6c8d9e4e9 100644
--- a/companion/src/companion.qrc
+++ b/companion/src/companion.qrc
@@ -235,6 +235,7 @@
     <file>images/library/10802.png</file>
     <file>themes/default/style.css</file>
     <file>themes/default/style-osx.css</file>
+    <file>themes/default/modelprt.css</file>
     <file>themes/monochrome/16/paintbrush.png</file>
     <file>themes/monochrome/16/open.png</file>
     <file>themes/monochrome/16/edit.png</file>
diff --git a/companion/src/comparedialog.cpp b/companion/src/comparedialog.cpp
index 1fc7a743d..4897f74ba 100644
--- a/companion/src/comparedialog.cpp
+++ b/companion/src/comparedialog.cpp
@@ -23,6 +23,7 @@
 #include "appdata.h"
 #include "helpers.h"
 #include "modelslist.h"
+#include "styleeditdialog.h"
 #include <QPrinter>
 #include <QPrintDialog>
 
@@ -189,3 +190,10 @@ void CompareDialog::on_printFileButton_clicked()
     ui->textEdit->print(&printer);
   }
 }
+
+void CompareDialog::on_styleButton_clicked()
+{
+  StyleEditDialog *g = new StyleEditDialog(this, MODEL_PRINT_CSS);
+  if (g->exec() == QDialog::Accepted)
+    compare();
+}
diff --git a/companion/src/comparedialog.h b/companion/src/comparedialog.h
index 03e709360..c9da983fa 100644
--- a/companion/src/comparedialog.h
+++ b/companion/src/comparedialog.h
@@ -51,6 +51,7 @@ class CompareDialog : public QDialog
     void removeModelBtnClicked();
     void on_printButton_clicked();
     void on_printFileButton_clicked();
+    void on_styleButton_clicked();
 
   protected:
     virtual void closeEvent(QCloseEvent * event);
diff --git a/companion/src/comparedialog.ui b/companion/src/comparedialog.ui
index ba4d24c81..b05e6075e 100644
--- a/companion/src/comparedialog.ui
+++ b/companion/src/comparedialog.ui
@@ -43,6 +43,9 @@
        <property name="text">
         <string>To compare models, drag and drop them anywhere in this window.</string>
        </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
       </widget>
      </item>
      <item>
@@ -65,6 +68,13 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QPushButton" name="styleButton">
+       <property name="text">
+        <string>Style</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QPushButton" name="printButton">
        <property name="text">
diff --git a/companion/src/helpers_html.cpp b/companion/src/helpers_html.cpp
index 9625b8818..f417e0dff 100644
--- a/companion/src/helpers_html.cpp
+++ b/companion/src/helpers_html.cpp
@@ -18,7 +18,12 @@
  * GNU General Public License for more details.
  */
 
+#include "helpers.h"
 #include "helpers_html.h"
+#include <QStringList>
+#include <QDir>
+#include <QFile>
+#include <QTextStream>
 
 QString tdAlign(const QString & s, const QString & align, const QString & color, bool bold)
 {
@@ -80,3 +85,145 @@ QString doTableBlankRow()
 {
   return "<tr></tr>";
 }
+
+Stylesheet::Stylesheet(const QString & name):
+  mName(name)
+{
+  init();
+}
+
+Stylesheet::Stylesheet(const QString & name, const StyleType styleType):
+  mName(name)
+{
+  init();
+  mResult = load(styleType);
+}
+
+Stylesheet::~Stylesheet()
+{
+}
+
+void Stylesheet::init()
+{
+  mResult = false;
+  mErrormsg = "";
+  mText = "";
+  QStringList p = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
+  mCustomPath = p[0];
+  mCustomFile = p[0] + "/" + mName;
+  mDefaultFile = THEMES_DEFAULT_PATH + mName;
+}
+
+bool Stylesheet::load(const StyleType styleType)
+{
+  mResult = false;
+  switch (styleType) {
+  case STYLE_TYPE_NONE:
+  case STYLE_TYPE_DEFAULT:
+    mResult = read(mDefaultFile);
+  case STYLE_TYPE_CUSTOM:
+    mResult = read(mCustomFile);
+  case STYLE_TYPE_EFFECTIVE:
+    mResult = read(mCustomFile);
+    if(!mResult)
+      mResult = read(mDefaultFile);
+  }
+  return mResult;
+}
+
+bool Stylesheet::read(const QString & path)
+{
+  mResult = false;
+  mText = "";
+
+  QFile file(path);
+  if (file.exists()) {
+    if (file.open(QFile::ReadOnly | QFile::Text)) {
+      QTextStream in(&file);
+      if (in.status()==QTextStream::Ok) {
+        mText = in.readAll();
+        if (in.status()==QTextStream::Ok)
+          mResult = true;
+        else
+          mText = "";
+      }
+      file.close();
+    }
+  }
+  if (mResult)
+    mErrormsg = tr("Style sheet data read from '%1'").arg(QDir::toNativeSeparators(path));
+  else
+    mErrormsg = tr("Style sheet data unable to be read from '%1'").arg(QDir::toNativeSeparators(path));
+  qDebug() << mErrormsg;
+  return mResult;
+}
+
+bool Stylesheet::update()
+{
+  mResult = false;
+  mErrormsg = "";
+  QDir path(mCustomPath);
+  if (!path.exists()) {
+    QDir dir;
+    if (!dir.mkpath(mCustomPath))
+      mErrormsg = tr("Cannot create folder '%1'").arg(QDir::toNativeSeparators(mCustomPath));
+  }
+  if (path.exists()) {
+    QFile file(mCustomFile);
+    if (!file.open(QFile::WriteOnly | QFile::Text)) {
+      mErrormsg = tr("Cannot open file for writing '%1': Error: %2").arg(QDir::toNativeSeparators(mCustomFile), file.errorString());
+    }
+    else {
+      QTextStream out(&file);
+      if (out.status()==QTextStream::Ok) {
+        out << mText;
+        if (!(out.status()==QTextStream::Ok)) {
+          mErrormsg = tr("Cannot write to file '%1': Error: %2").arg(QDir::toNativeSeparators(mCustomFile), file.errorString());
+          if (!file.flush()) {
+            mErrormsg = tr("Cannot flush buffer for file '%1': Error: %2").arg(QDir::toNativeSeparators(mCustomFile), file.errorString());
+          }
+        }
+        else {
+          mResult = true;
+          mErrormsg = tr("Style sheet written to '%1'").arg(QDir::toNativeSeparators(mCustomFile));
+        }
+      }
+    }
+    file.close();
+  }
+  qDebug() << mErrormsg;
+  return mResult;
+}
+
+bool Stylesheet::deleteCustom()
+{
+  QFile file(mCustomFile);
+  mResult = file.remove();
+  if (mResult)
+    mErrormsg = tr("Custom style sheet deleted: '%1'").arg(QDir::toNativeSeparators(mCustomFile));
+  else
+    mErrormsg = tr("Unable to delete custom style sheet: '%1'").arg(QDir::toNativeSeparators(mCustomFile));
+  qDebug() << mErrormsg;
+  return mResult;
+}
+
+QString Stylesheet::name()
+{
+  return mName;
+}
+
+QString Stylesheet::text()
+{
+  return mText;
+}
+
+void Stylesheet::setText(const QString & text)
+{
+  mText = text;
+}
+
+QString Stylesheet::errormsg()
+{
+  return mErrormsg;
+}
+
diff --git a/companion/src/helpers_html.h b/companion/src/helpers_html.h
index e126624e9..2c0f54169 100644
--- a/companion/src/helpers_html.h
+++ b/companion/src/helpers_html.h
@@ -21,8 +21,11 @@
 #ifndef _HELPERS_HTML_H_
 #define _HELPERS_HTML_H_
 
+#include <QObject>
 #include <QString>
-#include <QStringList>
+
+#define THEMES_DEFAULT_PATH   ":/themes/default/"
+#define MODEL_PRINT_CSS       "modelprt.css"
 
 QString tdAlign(const QString & s, const QString & align, const QString & color, bool bold);
 QString doTC(const QString & s, const QString & color = "", bool bold = false);
@@ -33,4 +36,39 @@ QString doTableCell(const QString & s, const unsigned int width = 0, const QStri
 QString doTableRow(const QStringList & strl, const unsigned int width = 0, const QString & align = "", const QString & color = "", bool bold = false);
 QString doTableBlankRow();
 
+class Stylesheet: public QObject
+{
+  Q_OBJECT
+
+  public:
+    enum StyleType {
+      STYLE_TYPE_NONE,
+      STYLE_TYPE_DEFAULT,
+      STYLE_TYPE_CUSTOM,
+      STYLE_TYPE_EFFECTIVE
+    };
+
+    Stylesheet(const QString & name);
+    Stylesheet(const QString & name, const StyleType styleType);
+    ~Stylesheet();
+    bool load(const StyleType styleType);
+    bool update();
+    bool deleteCustom();
+    QString name();
+    QString text();
+    QString errormsg();
+    void setText(const QString & text);
+
+  private:
+    bool mResult;
+    QString mErrormsg;
+    QString mName;
+    QString mText;
+    QString mCustomFile;
+    QString mCustomPath;
+    QString mDefaultFile;
+    void init();
+    bool read(const QString & filepath);
+};
+
 #endif // _HELPERS_HTML_H_
diff --git a/companion/src/multimodelprinter.cpp b/companion/src/multimodelprinter.cpp
index a198432bc..0233c9ef0 100644
--- a/companion/src/multimodelprinter.cpp
+++ b/companion/src/multimodelprinter.cpp
@@ -61,43 +61,18 @@ void MultiModelPrinter::MultiColumns::beginCompare()
   compareColumns = new QString[count];
 }
 
-void MultiModelPrinter::MultiColumns::endCompare(const QString & color)
+void MultiModelPrinter::MultiColumns::endCompare()
 {
   for (int i=0; i<count; i++) {
-    QString cellColor = color;
+    QString style = "";
     if (i==0 && count>1 && compareColumns[0]!=compareColumns[1])
-      cellColor = "green";
+      style = "mpc-diff1";
     else if (i>0 && compareColumns[i]!=compareColumns[0])
-      cellColor = "red";
-    // font instructions must be applied at table cell level if they exist in the comparison string
-    if (compareColumns[i].indexOf(QString("<td")) > -1) {
-      QString t = compareColumns[i];
-      int p1 = 0;
-      int p2 = 0;
-      int p3 = 0;
-      while (t.indexOf(QString("<td"), p1) > -1) {
-        p1 = t.indexOf(QString("<td"), p1);
-        p2 = t.indexOf(QString(">"), p1 + 3);
-        p3 = t.indexOf(QString("</td>"), p2 + 1);
-        QString td = t.mid(p2 + 1, p3 - (p2 + 1));
-        // remove existing font instructions from current cell
-        if (td.contains(QString("<font "))) {
-          int p4 = t.indexOf(QString("<font "), p2 + 1);
-          int p5 = t.indexOf(QString("</font>"), p4) + 6;
-          if (p5 < p3)
-            t.remove(p4, p5 - p4 + 1);
-        }
-        t.insert(p2 + 1, QString("<font color='%1'>").arg(cellColor));
-        p3 = t.indexOf(QString("</td>"), p2);
-        t.insert(p3, QString("</font>"));
-        p1 = p3 + QString("</font></td>").size();
-      }
-      compareColumns[i] = t;
-      columns[i].append(QString("%1").arg(compareColumns[i]));
-    }
-    else {
-      columns[i].append(QString("<font color='%1'>%2</font>").arg(cellColor).arg(compareColumns[i]));
-    }
+      style = "mpc-diff2";
+    if (style!="")
+      columns[i].append(QString("<span class='%1'>%2</span>").arg(style).arg(compareColumns[i]));
+    else
+      columns[i].append(compareColumns[i]);
   }
   delete[] compareColumns;
   compareColumns = NULL;
@@ -250,7 +225,7 @@ void MultiModelPrinter::MultiColumns::appendFieldSeparator(const bool sep)
 
 QString MultiModelPrinter::printTitle(const QString & label)
 {
-  return QString("<tr><td colspan='%1'><h2>").arg(modelPrinterMap.count()) + label + "</h2></td></tr>";
+  return QString("<tr><td class=mpc-section-title colspan='%1'>").arg(modelPrinterMap.count()) + label + "</td></tr>";
 }
 
 MultiModelPrinter::MultiModelPrinter(Firmware * firmware):
@@ -292,8 +267,10 @@ void MultiModelPrinter::clearModels()
 QString MultiModelPrinter::print(QTextDocument * document)
 {
   if (document) document->clear();
-
-  QString str = "<table border='1' cellspacing='0' cellpadding='3' width='100%' style='font-family: monospace;'>";
+  Stylesheet css(MODEL_PRINT_CSS);
+  if (css.load(Stylesheet::StyleType::STYLE_TYPE_EFFECTIVE))
+    document->setDefaultStyleSheet(css.text());
+  QString str = "<table cellspacing='0' cellpadding='3' width='100%'>";   // attributes not settable via QT stylesheet
   str.append(printSetup());
   if (firmware->getCapability(Timers)) {
     str.append(printTimers());
@@ -328,7 +305,7 @@ QString MultiModelPrinter::printSetup()
 
   MultiColumns columns(modelPrinterMap.size());
   columns.appendSectionTableStart();
-  ROWLABELCOMPARECELL(tr("Name"), 25, model->name, 75);
+  ROWLABELCOMPARECELL(tr("Name"), 20, model->name, 80);
   ROWLABELCOMPARECELL(tr("EEprom Size"), 0, modelPrinter->printEEpromSize(), 0);
   if (firmware->getCapability(ModelImage)) {
     ROWLABELCOMPARECELL(tr("Model Image"), 0, model->bitmap, 0);
@@ -351,18 +328,18 @@ QString MultiModelPrinter::printTimers()
   QString str;
   MultiColumns columns(modelPrinterMap.size());
   columns.appendSectionTableStart();
-  columns.appendRowHeader(QStringList() << tr("Timers") << tr("Time") << tr("Switch") << tr("Countdown") << tr("Minute call") << tr("Persistence"));
+  columns.appendRowHeader(QStringList() << tr("Timers") << tr("Time") << tr("Switch") << tr("Countdown") << tr("Min.call") << tr("Persist"));
 
   for (int i=0; i<firmware->getCapability(Timers); i++) {
     columns.appendRowStart();
     columns.appendCellStart(20, true);
     COMPARE(modelPrinter->printTimerName(i));
     columns.appendCellEnd(true);
-    COMPARECELL(modelPrinter->printTimerTimeValue(model->timers[i].val));
-    COMPARECELL(model->timers[i].mode.toString());
-    COMPARECELL(modelPrinter->printTimerCountdownBeep(model->timers[i].countdownBeep));
-    COMPARECELL(modelPrinter->printTimerMinuteBeep(model->timers[i].minuteBeep));
-    COMPARECELL(modelPrinter->printTimerPersistent(model->timers[i].persistent));
+    COMPARECELLWIDTH(modelPrinter->printTimerTimeValue(model->timers[i].val), 15);
+    COMPARECELLWIDTH(model->timers[i].mode.toString(), 15);
+    COMPARECELLWIDTH(modelPrinter->printTimerCountdownBeep(model->timers[i].countdownBeep), 15);
+    COMPARECELLWIDTH(modelPrinter->printTimerMinuteBeep(model->timers[i].minuteBeep), 15);
+    COMPARECELLWIDTH(modelPrinter->printTimerPersistent(model->timers[i].persistent), 20);
     columns.appendRowEnd();
   }
   columns.appendTableEnd();
@@ -377,10 +354,10 @@ QString MultiModelPrinter::printModules()
   columns.appendSectionTableStart();
   for (int i=0; i<firmware->getCapability(NumModules); i++) {
     columns.appendRowStart();
-    columns.appendCellStart(25, true);
+    columns.appendCellStart(20, true);
     COMPARE(modelPrinter->printModuleType(i));
     columns.appendCellEnd(true);
-    COMPARECELLWIDTH(modelPrinter->printModule(i), 75);
+    COMPARECELLWIDTH(modelPrinter->printModule(i), 80);
     columns.appendRowEnd();
   }
   if (firmware->getCapability(ModelTrainerEnable))
@@ -439,22 +416,22 @@ QString MultiModelPrinter::printFlightModes()
   {
     MultiColumns columns(modelPrinterMap.size());
     columns.appendSectionTableStart();
-    QStringList hd = QStringList() << tr("Flight mode") << tr("Switch") << tr("Fade IN") << tr("Fade OUT");
+    QStringList hd = QStringList() << tr("Flight mode") << tr("Switch") << tr("F.In") << tr("F.Out");
     for (int i=0; i < getBoardCapability(getCurrentBoard(), Board::NumTrims); i++) {
       hd << RawSource(SOURCE_TYPE_TRIM, i).toString();
     }
     columns.appendRowHeader(hd);
-
+    int wd = 80/(getBoardCapability(getCurrentBoard(), Board::NumTrims) + 3);
     for (int i=0; i<firmware->getCapability(FlightModes); i++) {
       columns.appendRowStart();
-      columns.appendCellStart(0,true);
+      columns.appendCellStart(20,true);
       COMPARE(modelPrinter->printFlightModeName(i));
       columns.appendCellEnd(true);
-      COMPARECELL(modelPrinter->printFlightModeSwitch(model->flightModeData[i].swtch));
-      COMPARECELL(model->flightModeData[i].fadeIn);
-      COMPARECELL(model->flightModeData[i].fadeOut);
+      COMPARECELLWIDTH(modelPrinter->printFlightModeSwitch(model->flightModeData[i].swtch), wd);
+      COMPARECELLWIDTH(model->flightModeData[i].fadeIn, wd);
+      COMPARECELLWIDTH(model->flightModeData[i].fadeOut, wd);
       for (int k=0; k < getBoardCapability(getCurrentBoard(), Board::NumTrims); k++) {
-        COMPARECELL(modelPrinter->printTrim(i, k));
+        COMPARECELLWIDTH(modelPrinter->printTrim(i, k), wd);
       }
       columns.appendRowEnd();
     }
@@ -468,7 +445,7 @@ QString MultiModelPrinter::printFlightModes()
   if ((gvars && firmware->getCapability(GvarsFlightModes)) || firmware->getCapability(RotaryEncoders)) {
     MultiColumns columns(modelPrinterMap.size());
     columns.appendSectionTableStart();
-    QStringList hd = QStringList() << tr("Global variables");
+    QStringList hd = QStringList() << tr("Global vars");
     if (firmware->getCapability(GvarsFlightModes)) {
       for (int i=0; i<gvars; i++) {
         hd << tr("GV%1").arg(i+1);
@@ -478,11 +455,11 @@ QString MultiModelPrinter::printFlightModes()
       hd << tr("RE%1").arg(i+1);
     }
     columns.appendRowHeader(hd);
-
+    int wd = 80/gvars;
     if (firmware->getCapability(GvarsFlightModes)) {
-      columns.appendRowStart(tr("Name"));
+      columns.appendRowStart(tr("Name"), 20);
       for (int i=0; i<gvars; i++) {
-        COMPARECELL(model->gvarData[i].name);
+        COMPARECELLWIDTH(model->gvarData[i].name, wd);
       }
       columns.appendRowEnd();
       columns.appendRowStart(tr("Unit"));
@@ -549,7 +526,14 @@ QString MultiModelPrinter::printOutputs()
   if (firmware->getCapability(SYMLimits))
     hd << tr("Linear");
   columns.appendRowHeader(hd);
-
+  int cols = 4;
+  if (IS_HORUS_OR_TARANIS(firmware->getBoard()))
+    cols++;
+  if (firmware->getCapability(PPMCenter))
+    cols++;
+  if (firmware->getCapability(SYMLimits))
+    cols++;
+  int wd = 80/cols;
   for (int i=0; i<firmware->getCapability(Outputs); i++) {
     int count = 0;
     for (int k=0; k < modelPrinterMap.size(); k++)
@@ -557,21 +541,21 @@ QString MultiModelPrinter::printOutputs()
     if (!count)
       continue;
     columns.appendRowStart();
-    columns.appendCellStart(0, true);
+    columns.appendCellStart(20, true);
     COMPARE(modelPrinter->printChannelName(i));
     columns.appendCellEnd(true);
-    COMPARECELL(modelPrinter->printOutputOffset(i));
-    COMPARECELL(modelPrinter->printOutputMin(i));
-    COMPARECELL(modelPrinter->printOutputMax(i));
-    COMPARECELL(modelPrinter->printOutputRevert(i));
+    COMPARECELLWIDTH(modelPrinter->printOutputOffset(i), wd);
+    COMPARECELLWIDTH(modelPrinter->printOutputMin(i), wd);
+    COMPARECELLWIDTH(modelPrinter->printOutputMax(i), wd);
+    COMPARECELLWIDTH(modelPrinter->printOutputRevert(i), wd);
     if (IS_HORUS_OR_TARANIS(firmware->getBoard())) {
-      COMPARECELL(modelPrinter->printOutputCurve(i));
+      COMPARECELLWIDTH(modelPrinter->printOutputCurve(i), wd);
     }
     if (firmware->getCapability(PPMCenter)) {
-      COMPARECELL(modelPrinter->printOutputPpmCenter(i));
+      COMPARECELLWIDTH(modelPrinter->printOutputPpmCenter(i), wd);
     }
     if (firmware->getCapability(SYMLimits)) {
-      COMPARECELL(modelPrinter->printOutputSymetrical(i));
+      COMPARECELLWIDTH(modelPrinter->printOutputSymetrical(i), wd);
     }
     columns.appendRowEnd();
   }
@@ -875,7 +859,6 @@ QString MultiModelPrinter::printSensors()
   int count = 0;
   columns.appendSectionTableStart();
   columns.appendRowHeader(QStringList() << tr("Name") << tr("Type") << tr("Parameters"));
-  //columns.appendRowHeader(QStringList() << tr("Name") << tr("Type") << tr("Formula/Source") << tr("Unit") << tr("Prec") << tr("Ratio") << tr("Ofst") << tr("A.Ofst") << tr("Fltr") << tr("Pers.") << tr("+ve") << tr("Log"));
   for (int i=0; i<CPN_MAX_SENSORS; ++i) {
     bool tsEmpty = true;
     for (int k=0; k < modelPrinterMap.size(); k++) {
@@ -887,12 +870,11 @@ QString MultiModelPrinter::printSensors()
     if (!tsEmpty) {
       count++;
       columns.appendRowStart();
-      columns.appendCellStart(15, true);
+      columns.appendCellStart(20, true);
       COMPARE(model->sensorData[i].nameToString(i));
       columns.appendCellEnd(true);
       COMPARECELLWIDTH(modelPrinter->printSensorTypeCond(i), 15);
-      COMPARECELLWIDTH(modelPrinter->printSensorParams(i), 70);
-      //COMPARESTRING("", modelPrinter->printSensorDetails(i), 0);
+      COMPARECELLWIDTH(modelPrinter->printSensorParams(i), 65);
       columns.appendRowEnd();
     }
   }
diff --git a/companion/src/multimodelprinter.h b/companion/src/multimodelprinter.h
index f5a0f609d..a00e5d4e3 100644
--- a/companion/src/multimodelprinter.h
+++ b/companion/src/multimodelprinter.h
@@ -51,7 +51,7 @@ class MultiModelPrinter: public QObject
         void append(int idx, const QString & str);
         template <class T> void append(int idx, T val);
         void beginCompare();
-        void endCompare(const QString & color = "black"); // was grey
+        void endCompare();
         void appendLineBreak();
         void appendSectionTableStart();
         void appendTableEnd();
diff --git a/companion/src/printdialog.cpp b/companion/src/printdialog.cpp
index 8ea8d0525..decd83ae4 100644
--- a/companion/src/printdialog.cpp
+++ b/companion/src/printdialog.cpp
@@ -21,6 +21,7 @@
 #include "printdialog.h"
 #include "ui_printdialog.h"
 #include "helpers.h"
+#include "styleeditdialog.h"
 #include <QPrinter>
 #include <QPrintDialog>
 
@@ -31,13 +32,13 @@ PrintDialog::PrintDialog(QWidget *parent, Firmware * firmware, GeneralSettings &
   model(model),
   printfilename(filename),
   ui(new Ui::PrintDialog),
-  multimodelprinter(firmware)
+  multiModelPrinter(firmware)
 {
   ui->setupUi(this);
   setWindowIcon(CompanionIcon("print.png"));
   setWindowTitle(model.name);
-  multimodelprinter.setModel(0, &model, &generalSettings);
-  ui->textEdit->setHtml(multimodelprinter.print(ui->textEdit->document()));
+  multiModelPrinter.setModel(0, &model, &generalSettings);
+  ui->textEdit->setHtml(multiModelPrinter.print(ui->textEdit->document()));
   if (!printfilename.isEmpty()) {
     printToFile();
     QTimer::singleShot(0, this, SLOT(autoClose()));
@@ -109,3 +110,10 @@ void PrintDialog::autoClose()
 {
   this->close();
 }
+
+void PrintDialog::on_styleButton_clicked()
+{
+  StyleEditDialog *g = new StyleEditDialog(this, MODEL_PRINT_CSS);
+  if (g->exec() == QDialog::Accepted)
+    ui->textEdit->setHtml(multiModelPrinter.print(ui->textEdit->document()));
+}
diff --git a/companion/src/printdialog.h b/companion/src/printdialog.h
index 31fca1438..eb28d0975 100644
--- a/companion/src/printdialog.h
+++ b/companion/src/printdialog.h
@@ -31,13 +31,13 @@ namespace Ui {
 
 class PrintDialog : public QDialog
 {
-    Q_OBJECT
+  Q_OBJECT
 
   public:
     PrintDialog(QWidget * parent, Firmware * firmware, GeneralSettings & generalSettings, ModelData & model, const QString & filename="");
     ~PrintDialog();
     void closeEvent(QCloseEvent * event);
-    
+
     Firmware * firmware;
     GeneralSettings & generalSettings;
     ModelData & model;
@@ -46,7 +46,7 @@ class PrintDialog : public QDialog
 
   protected:
     Ui::PrintDialog *ui;
-    MultiModelPrinter multimodelprinter; // TODO multimodelPrinter
+    MultiModelPrinter multiModelPrinter;
 
     void printToFile();
 
@@ -54,6 +54,7 @@ class PrintDialog : public QDialog
     void on_printButton_clicked();
     void on_printFileButton_clicked();
     void autoClose();
+    void on_styleButton_clicked();
 };
 
 #endif // _PRINTDIALOG_H_
diff --git a/companion/src/printdialog.ui b/companion/src/printdialog.ui
index 20e2a7b63..719d8377d 100644
--- a/companion/src/printdialog.ui
+++ b/companion/src/printdialog.ui
@@ -55,6 +55,13 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QPushButton" name="styleButton">
+       <property name="text">
+        <string>Style</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QPushButton" name="printButton">
        <property name="text">
diff --git a/companion/src/styleeditdialog.cpp b/companion/src/styleeditdialog.cpp
new file mode 100644
index 000000000..a1032b91b
--- /dev/null
+++ b/companion/src/styleeditdialog.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "styleeditdialog.h"
+#include "ui_styleeditdialog.h"
+#include "helpers.h"
+
+StyleEditDialog::StyleEditDialog(QWidget * parent, const QString stylesheet):
+  QDialog(parent),
+  ui(new Ui::StyleEditDialog),
+  mStylesheet(stylesheet),
+  mDirty(false)
+{
+  ui->setupUi(this);
+  setWindowIcon(CompanionIcon("edit.png"));
+  if (!mStylesheet.load(Stylesheet::StyleType::STYLE_TYPE_EFFECTIVE))
+    QMessageBox::critical(this, tr("Style Sheet Editor"), tr("Cannot retrieve style %1\nError: %2").arg(mStylesheet.name(), mStylesheet.errormsg()));
+  QFont f;
+  f.setFamily("monospace");
+  f.setPointSize(10);
+  ui->pteStyle->setFont(f);
+  ui->pteStyle->setPlainText(mStylesheet.text());
+  connect(ui->pteStyle, SIGNAL(textChanged()), this, SLOT(changed()));
+  connect(ui->pbDefault, SIGNAL(clicked()), this, SLOT(resetToDefault()));
+  connect(ui->pbCancel, SIGNAL(clicked()), this, SLOT(reject()));
+  connect(ui->pbOK, SIGNAL(clicked()), this, SLOT(update()));
+}
+
+StyleEditDialog::~StyleEditDialog()
+{
+  delete ui;
+}
+
+void StyleEditDialog::changed()
+{
+  mDirty = true;
+}
+
+void StyleEditDialog::resetToDefault()
+{
+  mStylesheet.deleteCustom();   //  ignore result
+  if (!mStylesheet.load(Stylesheet::StyleType::STYLE_TYPE_DEFAULT))
+    QMessageBox::critical(this, tr("Style Sheet Editor"), tr("Cannot retrieve default style %1\nError: %2").arg(mStylesheet.name(), mStylesheet.errormsg()));
+  ui->pteStyle->setPlainText(mStylesheet.text());
+  mDirty = false;
+}
+
+void StyleEditDialog::update()
+{
+  if (mDirty) {
+    mStylesheet.setText(ui->pteStyle->toPlainText());
+    if (!mStylesheet.update())
+      QMessageBox::critical(this, tr("Style Sheet Editor"), tr("Cannot update custom style %1\nError: %2").arg(mStylesheet.name(), mStylesheet.errormsg()));
+  }
+  emit accept();
+}
diff --git a/companion/src/styleeditdialog.h b/companion/src/styleeditdialog.h
new file mode 100644
index 000000000..d66c54602
--- /dev/null
+++ b/companion/src/styleeditdialog.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) OpenTX
+ *
+ * Based on code named
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _STYLEEDITDIALOG_H_
+#define _STYLEEDITDIALOG_H_
+
+#include "helpers_html.h"
+#include <QtWidgets>
+
+namespace Ui {
+  class StyleEditDialog;
+}
+
+class StyleEditDialog : public QDialog
+{
+  Q_OBJECT
+
+  public:
+    StyleEditDialog(QWidget * parent, const QString stylesheet);
+    ~StyleEditDialog();
+
+  private slots:
+    void update();
+    void changed();
+    void resetToDefault();
+
+  private:
+    Ui::StyleEditDialog *ui;
+    Stylesheet mStylesheet;
+    bool mDirty;
+};
+
+#endif // _STYLEEDITDIALOG_H_
diff --git a/companion/src/styleeditdialog.ui b/companion/src/styleeditdialog.ui
new file mode 100644
index 000000000..7a9c1dd7d
--- /dev/null
+++ b/companion/src/styleeditdialog.ui
@@ -0,0 +1,146 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>StyleEditDialog</class>
+ <widget class="QDialog" name="StyleEditDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>630</width>
+    <height>373</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Style Sheet Editor</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="2" column="0">
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeType">
+      <enum>QSizePolicy::Fixed</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>3</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="0" column="0">
+    <widget class="QPlainTextEdit" name="pteStyle">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>1</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="verticalScrollBarPolicy">
+      <enum>Qt::ScrollBarAsNeeded</enum>
+     </property>
+     <property name="horizontalScrollBarPolicy">
+      <enum>Qt::ScrollBarAsNeeded</enum>
+     </property>
+     <property name="tabChangesFocus">
+      <bool>true</bool>
+     </property>
+     <property name="lineWrapMode">
+      <enum>QPlainTextEdit::NoWrap</enum>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <property name="spacing">
+      <number>6</number>
+     </property>
+     <property name="sizeConstraint">
+      <enum>QLayout::SetMinimumSize</enum>
+     </property>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeType">
+        <enum>QSizePolicy::Expanding</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pbDefault">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>&amp;Reset to default</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pbCancel">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>&amp;Cancel</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pbOK">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>&amp;OK</string>
+       </property>
+       <property name="shortcut">
+        <string/>
+       </property>
+       <property name="default">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>This feature does not validate your changes and assumes you are familiar with CSS syntax for QT.</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>pteStyle</tabstop>
+  <tabstop>pbOK</tabstop>
+  <tabstop>pbCancel</tabstop>
+  <tabstop>pbDefault</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/companion/src/themes/default/modelprt.css b/companion/src/themes/default/modelprt.css
new file mode 100644
index 000000000..3c2b83c0b
--- /dev/null
+++ b/companion/src/themes/default/modelprt.css
@@ -0,0 +1,71 @@
+/*
+  User by Model Print and Compare
+
+  QT 5
+    1. Supports a subset of the HTML 4 and CSS 2.1 standards
+    2. Translates css to inline HTML which can lead to unexpected formatting
+
+  Reference Official QT 5 website https://doc.qt.io/qt-5/
+*/
+
+/*  overide environment defaults */
+p, table, td, th {
+  font-family: monospace;
+  font-size: 15px;
+  color: black;
+  font-style: normal;
+  font-weight: normal;
+}
+
+table {
+  border-style: solid;
+  border-color: grey;
+  border-width: 1px;
+}
+
+td, th {
+  margin: 0px;
+  padding: 1px;
+}
+
+/*  The style applied to section titles */
+.mpc-section-title {
+  color: black;
+  background-color: white;
+  font-size: 20px;
+  font-style: normal;
+  font-weight: bold;
+}
+
+/*
+    These model compare differences style classes inherit field classes above
+
+    Notes:
+    1. The class is applied as <span class=...>some content</span>
+    2. It is strongly recommended customisation is limited to font attributes
+*/
+
+/*  model 1  */
+.mpc-diff1 {
+  color: green;
+/*
+  font-weight: bold;
+  font-style: normal;
+  font-weight: normal;
+  text-decoration: none;
+  background-color: white;
+*/
+}
+
+/*  model 2  */
+.mpc-diff2 {
+  color: red;
+/*
+  font-weight: bold;
+  font-style: normal;
+  font-weight: normal;
+  text-decoration: none;
+  background-color: white;
+*/
+}
+