tt-rss/lib/dijit/themes/tundra/Editor.css

.dijitEditor {border:1px solid #bfbfbf; border-top:0;}.tundra .dijitEditorIcon {background-image: url('../../icons/images/editorIconsEnabled.png'); background-repeat: no-repeat; width: 18px; height: 18px; text-align: center;}.tundra .dijitDisabled .dijitEditorIcon {background-image: url('../../icons/images/editorIconsDisabled.png');}