refactor buttons pt1

app/assets/stylesheets/gitlab_bootstrap/buttons.scss

@@ -7,11 +7,7 @@
     color: #333;
   }
 
-  &.btn-white {
-    background: #FFF;
-  }
-
-  &.primary {
+  &.btn-primary {
     background: #2a79A3;
     @include linear-gradient(#47A7b7, #2585b5);
     border-color: #2A79A3;
@@ -58,21 +54,17 @@
     }
   }
 
-  &.save-btn {
+  &.btn-create {
     @extend .wide;
-    @extend .primary;
+    @extend .success;
   }
 
-  &.cancel-btn {
-    float: right;
+  &.btn-save {
+    @extend .wide;
+    @extend .btn-primary;
   }
 
-  &.wide {
-    padding-left: 30px;
-    padding-right: 30px;
-  }
-
-  &.danger {
+  &.btn-remove {
     @extend .btn-danger;
     border-color: #BD362F;
 
@@ -82,8 +74,13 @@
     }
   }
 
-  &.danger {
-    @extend .btn-danger;
+  &.btn-cancel {
+    float: right;
+  }
+
+  &.wide {
+    padding-left: 20px;
+    padding-right: 20px;
   }
 
   &.small {