Update style/defaults/style.css

style/defaults/style.css

@@ -268,8 +268,7 @@ progress::-moz-progress-bar {
   position: relative;
   width: 100%;
 }
-/* --- FIX: Perfectly center the tooltip close button (×) on all devices --- */
-.tooltip-close {
+/.tooltip-close {
   position: absolute;
   top: -8px;
   right: -8px;
@@ -279,16 +278,24 @@ progress::-moz-progress-bar {
   width: 20px;
   height: 20px;
 
-  /* New for centering: */
   display: flex;
   align-items: center;
   justify-content: center;
+
+  /* True centering and improved glyph alignment */
+  font-size: 15px;
+  font-family: inherit;
+  font-weight: 400;
+  line-height: 1;
+  vertical-align: middle;
   padding: 0;
-  line-height: normal;
 
   text-align: center;
   cursor: pointer;
   font-weight: bold;
+
+  /* Small nudge for optical centering */
+  transform: translateY(-1px);
 }
 .tooltip-text {
   margin-bottom: 10px;