Fix styling

src/lib/Thumbnail.svelte

@@ -25,6 +25,11 @@
         gap: 2.5rem;
     }
 
+    .back a {
+        border: 0px;
+        text-decoration: none;
+    }
+
     .back a img {
         max-width: 100%;
         height: auto;

src/routes/admin/+page.svelte

@@ -47,18 +47,6 @@
     }
 
     li a {
-        display: flex;
         font-weight: bold;
-        font-size: 1.25rem;
-        border-bottom: 2px solid transparent;
-    }
-
-    li a:hover {
-        border-bottom: 2px solid var(--link-hover);
-    }
-
-    h2 {
-        line-height: 1.4;
-        margin-bottom: 20px;
     }
 </style>