font-awesome is used as default icon font for the entire system

src/themes/antos/afx-dock.css

@@ -22,9 +22,10 @@ afx-apps-dock afx-button button{
     background-color: transparent;
     border:0;
 }
-afx-apps-dock afx-button .icon-style{
+afx-apps-dock afx-button afx-label i.icon-style{
     width: 24px;
     height: 24px;
+    margin-left: 2px;
     margin-bottom: 0px;
     border:0;
 }

src/themes/antos/afx-tab-bar.css

@@ -1,13 +1,13 @@
-afx-tab-container {
+afx-tab-bar {
     display: block;
     width: 100%;
     
 }
-afx-tab-container afx-list-view {
+afx-tab-bar afx-list-view {
     padding:0;
     margin:0;
 }
-afx-tab-container afx-list-view  > div.list-container > ul > li{
+afx-tab-bar afx-list-view  > div.list-container > ul > li{
     float:left;
     border-top-left-radius: 5px;
     border-top-right-radius: 5px;