/light-themes-0.1.11/Radiance/gtk-3.0/apps/unity.css

 1UnityPanelWidget,
 2.unity-panel {
 3    background-image: -gtk-gradient (linear, left top, left bottom,
 4                                     from (shade (@dark_bg_color, 1.3)),
 5                                     to (shade (@dark_bg_color, 1.0)));
 6    border-top-color: shade (@dark_bg_color, 1.4);
 7    border-style: solid;
 8    border-width: 1px 0 0 0;
 9
10    -unico-border-gradient: none;
11}
12
13.unity-panel.menubar,
14.unity-panel .menubar {
15}
16
17.unity-panel.menuitem,
18.unity-panel .menuitem {
19    border-width: 1px 1px 0 1px;
20
21    icon-shadow: 0 1px shade (@dark_bg_color, 1.06);
22}
23
24.unity-panel.menubar.menuitem:hover,
25.unity-panel.menubar .menuitem *:hover {
26    background-image: -gtk-gradient (linear, left top, left bottom,
27                                     from (shade (@dark_bg_color, 1.5)),
28                                     to (shade (@dark_bg_color, 1.02)));
29
30    color: @fg_color;
31
32    -unico-border-gradient: -gtk-gradient (linear, left top, left bottom,
33                                           from (shade (@dark_bg_color, 0.98)),
34                                           to (shade (@dark_bg_color, 0.88)));
35    -unico-inner-stroke-gradient: -gtk-gradient (linear, left top, left bottom,
36                                                 from (shade (@dark_bg_color, 1.6)),
37                                                 to (shade (@dark_bg_color, 1.05)));
38}