fix margin on c2

old-commit-hash: eda9538cc3

selfdrive/ui/qt/offroad/settings.cc

@@ -94,7 +94,7 @@ QWidget * device_panel() {
 
   device_layout->addWidget(horizontal_line());
 
-  device_layout->addWidget(new ButtonControl("Driver camera view", "PREVIEW",
+  device_layout->addWidget(new ButtonControl("Driver Camera", "PREVIEW",
                                              "Preview the driver facing camera to help optimize device mounting position for best driver monitoring experience. (vehicle must be off)",
                                              [=]() { Params().write_db_value("IsDriverViewEnabled", "1", 1); }));
 

selfdrive/ui/qt/widgets/controls.cc

@@ -16,6 +16,7 @@ QFrame *horizontal_line(QWidget *parent) {
 
 AbstractControl::AbstractControl(const QString &title, const QString &desc, const QString &icon) : QFrame() {
   hlayout = new QHBoxLayout;
+  hlayout->setMargin(0);
   hlayout->setSpacing(50);
 
   // left icon