Update style.css

style.css

@@ -202,13 +202,27 @@ article > .sticky-content {
 
 .dialog {
     display: none;
-    position: absolute;
+    position: fixed;
     background-color: white;
     border: 1px solid #ccc;
     padding: 10px;
     z-index: 1000;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
+    overflow-y: auto;
+
 }
+
+.dialog-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0, 0, 0, 0.5);
+    z-index: 999;
+    display: none;
+}
+
 .close-button {
     display: inline-block;
     margin-top: 10px;