Update styling

web/static/styles.css

@@ -156,15 +156,10 @@ visibility: visible; /* Show the tooltip on image hover */
 /* For tablets and desktops, add a breakpoint */
 @media (min-width: 768px) {
   body {
-    margin: 100px;
+    margin: 10px;
   }
 
-  .container {
-    flex-direction: row;
-    justify-content: space-around;
-  }
-
-  .left-container, .dropzone {
+ .dropzone {
     width: 48%;
   }