Update style/defaults/style.css

style/defaults/style.css

@@ -271,7 +271,7 @@ progress::-moz-progress-bar {
 /* --- FIX: Perfectly center the tooltip close button (×) on all devices --- */
 .tooltip-close {
   position: absolute;
-  top: -1px;
+  top: -8px;
   right: -8px;
   background: #B0B0B0;
   color: #333;
@@ -285,6 +285,7 @@ progress::-moz-progress-bar {
   justify-content: center;
   padding: 0;
   line-height: normal;
+  vertical-align: middle;
 
   text-align: center;
   cursor: pointer;