Bug 415958 - remove the background and border of the Search engine button on Linux. r=mventnor

browser/themes/gnomestripe/browser/browser.css

@@ -1035,11 +1035,11 @@ toolbar[iconsize="small"] #sync-button[status="active"] {
   background-color: rgb(95%,95%,95%);
   background-image: -moz-linear-gradient(rgba(170,170,170,.25), rgba(0,0,0,.3));
   color: #444;
-  -moz-border-end: 1px solid ThreeDShadow;
+  -moz-border-end: 1px solid rgba(0,0,0,.1);
 }
 
 #identity-box:-moz-locale-dir(rtl) {
-  -moz-border-start: 1px solid ThreeDShadow;
+  -moz-border-start: 1px solid rgba(0,0,0,.1);
 }
 
 #identity-box:-moz-focusring {

browser/themes/gnomestripe/browser/searchbar.css

@@ -30,11 +30,9 @@
   -moz-appearance: none;
   min-width: 0;
   margin: 0;
-  -moz-margin-end: 2px;
   border: 0;
   -moz-box-align: center;
-  background: rgb(95%,95%,95%) -moz-linear-gradient(rgba(170,170,170,.25), rgba(0,0,0,.3));
-  -moz-border-end: 1px solid ThreeDShadow;
+  background-color: transparent;
 }
 
 .searchbar-engine-button > .button-box {
@@ -44,16 +42,10 @@
   border: 0;
 }
 
-.searchbar-engine-button:hover:active,
-.searchbar-engine-button[open="true"] {
-  background-image: -moz-linear-gradient(rgba(0,0,0,.4), rgba(0,0,0,.1));
-}
-
 .searchbar-dropmarker-image {
   -moz-appearance: toolbarbutton-dropdown !important;
   width: 12px;
   height: 12px;
-  -moz-margin-start: 1px;
 }
 
 /* Search go button */