Update padding and hover effect in styles.css

Revised table cell padding for better spacing and adjusted the hover effect on alert items to remove the slight upward translation. These changes aim to improve the UI consistency and user experience.

frontend/src/styles.css

@@ -826,7 +826,7 @@ td {
   gap: 10px;
   max-height: 520px;
   overflow: auto;
-  padding-right: 3px;
+  padding: 10px 3px 4px 0;
 }
 
 .alert-item {
@@ -847,7 +847,7 @@ td {
 }
 
 .alert-item:hover {
-  transform: translateY(-1px);
+  transform: none;
 }
 
 .alert-item.is-open {