*{margin:0;padding:0;box-sizing:border-box}input{border:1px solid #ccc;border-radius:5px;height:25px;padding:0 5px;outline:none}input:focus{border-color:#4a8cff}button{background:#4a8cff;color:#fff;border:none;padding:8px 16px;border-radius:20px;cursor:pointer;font-weight:500}button:hover{background:#3b74d8}button:disabled{background:#d6d6d6;color:#8a8a8a;cursor:not-allowed;opacity:.7}