gtk2/gtk/inspector/inspector.css

/* some style for the inspector */

.list cell {
  font-size: smaller;
  padding-top: 1px;
  padding-bottom: 1px;
  min-height: 24px;
}

.list cell entry,
.list cell spinbutton,
.list cell button,
.list cell dropdown
.list cell combobox {
  min-height: 24px;
  min-width: 0;
}

.list cell entry,
.list cell spinbutton text,
.list cell button,
.list cell dropdown
.list cell combobox {
  padding: 0 4px;
}

picture.dark {
  background: gray;
}

picture.light {
  background: white;
}

#css-padding-color {
  background-color: rgba(70%, 0%, 70%, 0.6);
  min-width: 10px;
  min-height: 10px;
}

#css-border-color {
  background-color: rgba(0, 0, 0, 0.0);
  min-width: 10px;
  min-height: 10px;
}

#css-margin-color {
  background-color: rgba(70%, 70%, 0%, 0.6);
  min-width: 10px;
  min-height: 10px;
}

#widget-margin-color {
  background-color: rgba(70%, 0%, 0%, 0.6);
  min-width: 10px;
  min-height: 10px;
}

row:not(:selected) > .highlight {
  background-color: rgba(135, 206, 250, 0.4);
}