platform/org.eclipse.sdk/css/default.css

.MWindow {
    background-color:  #EEF2F7 #DEEBF3 100%;
}

.MPartStack {
    tab-renderer: url('platform:/plugin/org.eclipse.e4.ui.workbench.renderers.swt/org.eclipse.e4.workbench.ui.renderers.swt.CTabRendering');
    unselected-tabs-color: #FFFFFF #FFFFFF #FFFFFF 100% 100%;
    outer-keyline-color: rgb(217,217,217);
	inner-keyline-color: rgb(255,255,255);
}

.MPartStack ToolBar{
    background-color: #FFFFFF;
}

.MPartStack.active ToolBar{
    background-color: #DEEBF3;
}

.MPartStack.active {
	unselected-tabs-color: #DEEBF3 #DEEBF3 #FFFFFF 100% 100%;
    outer-keyline-color: rgb(190,216,237);
	inner-keyline-color: rgb(255,255,255);
}