feat: Update box style

Author: zatteo

apps/browser/src/popup/scss/box.scss

@@ -28,12 +28,11 @@
   }
 
   .box-header {
-    margin: 15px 10px 5px 10px;
-    padding: 0px 0px 4px 0;
+    margin: 8px;
+    padding: 0px;
     display: flex;
     font-size: $font-size-small;
     text-transform: uppercase;
-    color: #95999d;
     font-weight: bold;
     @include themify($themes) {
       color: themed("labelColor");