[c] debug change to red on hover and not always

src/lib/modules/ModCards.svelte

@@ -17,12 +17,16 @@
   function checkOverflow() {
     const modCards = document.querySelectorAll('.mod-card');
     modCards.forEach((modCard) => {
+      modCard.addEventListener('mouseover', () => {
         if (modCard.scrollHeight > modCard.offsetHeight) {
           modCard.style.backgroundColor = 'red';
-      } else {
-        modCard.style.backgroundColor = '';
         }
       });
+
+      modCard.addEventListener('mouseout', () => {
+        modCard.style.backgroundColor = '';
+      });
+    });
   }
 
   async function fetchData(file) {