unify button paddings

src/webui/www/private/css/style.css

@@ -26,6 +26,7 @@ input[type="button"],
 input[type="submit"],
 button {
     cursor: pointer;
+    padding: 4px 16px;
 }
 
 /*table { border-collapse: collapse; border-spacing: 0; }*/

src/webui/www/private/views/search.html

@@ -18,10 +18,6 @@
         width: 150px;
     }
 
-    #startSearchButton {
-        width: 90px;
-    }
-
     #searchResultsNoPlugins {
         height: calc(100% - 110px);
     }