Update important notice style

Author: song-what

assets/css/custom2026.css

@@ -168,7 +168,7 @@ h2{
     hyphens: auto;
     padding: 0;
     margin: 30px 0 20px 0;
-    padding: 8px 8px;
+    padding: 10px 8px;
     font-size: 1.25em;
     border-radius: 5px;
     background-color: #e7761fdc;