Update reader.html

reader.html

@@ -77,9 +77,12 @@
       border: none;
       border-radius: 10px;
       text-align: center;
+      z-index: 1;
+      width: 190px;
       @media (orientation: portrait) {
   transform: translate(30px, 0px);
 }
+    
       z-index: 1;
     }