Add an after hover

sitefiles/sig.css

@@ -71,6 +71,11 @@ body{
     .contentBody .contentWrapper:hover{
         border-color: rgb(17, 153, 17, .8);
     }
+    
+    .contentBody .contentWrapper:hover:after{
+        content: "⤈ Click to expand.";
+        border-color: rgb(17, 153, 17, .8);
+    }
 
         .contentBody .contentWrapper h1{
             display: inline-block;