Loading overlay relative parent

app/assets/stylesheets/app/_modals.scss

@@ -168,6 +168,7 @@
   flex-grow: 1;
   display: flex;
   flex-direction: column;
+  position: relative;
 
   // not sure why we need this. Removed because it creates unncessary scroll bars. Tested on folders extension, creates horizontal scrollbar at bottom on windows
   // overflow: auto;
@@ -183,6 +184,8 @@
     background-color: var(--sn-stylekit-editor-background-color);
     width: 100%;
     height: 100%;
+    left: 0;
+    top: 0;
   }
 
   iframe {