/* textarea */
.keybox{
    width: 100%;
    height: 6em;
    margin-bottom: 1em;
    font-family:
        "Microsoft Yahei UI Light",
        "Microsoft JhengHei";

    background-color: #333;

    /* font-size: 2em; */
}


.fanjian{
    margin: auto;
    width: 80%;
}

.submit {
    cursor: pointer;
    text-align: center;

}

.result {
    /* font-size: 3em; */

    margin-bottom: 3em;

}