body{font-family:arial,sans-serif;line-height:1.3}a{color:#0c5bb8;text-decoration:underline;cursor:pointer}.container{margin-left:auto;margin-right:auto;max-width:900px}.buttons button{margin-right:10px;margin-bottom:10px}@media (max-width: 400px){.buttons{display:flex;margin-left:-5px;margin-right:-5px}.buttons button{margin:0 5px;border-radius:8px;flex-grow:1}}.form-separator{color:#888;white-space:nowrap;overflow:hidden;margin:25px 0 15px}.form-separator:after{content:"";display:inline-block;background-color:#ddd;height:1px;width:100%;position:relative;top:-5px;margin-left:10px}.btn{font-size:110%;padding:10px 15px;border-radius:100px;border:1px solid #ccc;cursor:pointer}.btn:hover{border-color:#aaa}.hint-remark{color:#888}.app-frame{padding:30px;border:1px solid #ddd;margin-top:30px;border-radius:8px}@media (max-width: 850px){.app-frame{border:none;padding:10px;margin-top:10px}.hotkey{display:none}}