Bug 1044031 - Top and middle border doesn't match in user icon webcam panel. r=aleth

im/themes/blist.css

@@ -505,6 +505,7 @@ group[closed] .twisty {
 .userIconPanelButton {
   -moz-appearance: none;
   -moz-user-focus: normal;
+  border: none;
   font-size: 14px;
   border-top: 1px solid hsla(210, 4%, 10%, 0.14);
   background-color: hsla(210, 4%, 10%, 0.07);
@@ -596,10 +597,6 @@ group[closed] .twisty {
 %endif
 }
 
-.takePictureButtons > button {
-  border: none;
-}
-
 #captureBackButton, #retakeButton {
   border-right: 1px solid hsla(210, 4%, 10%, 0.14);
 }