Update static/style.css

static/style.css

@@ -1062,3 +1062,6 @@ color:black;
   color:black;
   box-shadow: 0 0 8px 2px #1645c7; 
 }
+
+#canvas21 { border: 1px solid black; max-width: 50%; max-height: 50;}
+#segmented-img {border: 1px solid black; max-width: 50%; max-height: 50; }