Update index.html

index.html

@@ -193,7 +193,7 @@
 </div>
 
 <div id="serial-modal" style="display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000;">
-    <div style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 875px; height: 644px; background: #fff; border-radius: 5px; overflow: hidden;">
+    <div style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 875px; height: 400px; background: #fff; border-radius: 5px; overflow: hidden;">
         <button id="close-modal" style="position: absolute; top: 10px; right: 10px; font-size: 20px; border: none; background: #fff; color: black; width: 30px; height: 30px; border-radius: 5px; cursor: pointer;">×</button>
         <iframe id="serial-iframe" src="" style="width: 100%; height: calc(100% - 50px); margin-top: 50px; border: none;"></iframe>
     </div>