Update app.css

app.css

@@ -40,23 +40,3 @@ margin: 0 auto;
 width: auto;
 }
 }
-
-body{overflow:hidden;overscroll-behavior:none;/*background-color:#f0f0f2;*/background: white repeating-linear-gradient( 45deg, #EEE, #EEE 5px, #FFF 5px, #FFF 10px );margin:0;padding:0;font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif}
-article{width:600px;margin: 5em auto;padding:2em;background-color:#fdfdff;border-radius:0.5em;box-shadow: 2px 3px 7px 2px rgba(0,0,0,0.02)}
-a:link, a:visited{color:#38488f;text-decoration:none}
-footer{margin:0 auto 2em auto;text-align:center}
-footer a{color:#666;text-shadow:0 1px 1px #fff;text-decoration:none;font-size:.8em;padding:1em}
-footer a:focus,footer a:hover{color:#111}
-input[type="file"]{display:none}
-button[onclick*="()"]{cursor:pointer}
-#buttons{position:absolute;bottom:5px;right:10px}
-#buttons > input{padding:10px;display:block;margin-bottom:5px}
-button{font-size:24px;display:inline-block;background:#272727;color:#fff;padding:15px 32px;outline:none;border:none;text-decoration:none;}
-button:hover{background:#272727;color:#fff;opacity:0.5}
-button:disabled,button[disabled]{background-color:#cccccc;color:#666666}
-#wrap{position:relative;width:100%;overflow:hidden}
-.res{position:absolute;top:0;left:0;bottom:0;right:0;width:100%;height:100%;border:none}
-:-moz-any-link:focus{color:#000;border:0}
-::-moz-selection{background:#ccc}
-::selection{background:#ccc}
-@media(max-width: 700px){article{margin: 0 auto;width:auto}}