h1 {
    margin-bottom: 0px;
}
div {
    /* 禁止选中文本 */
    -moz-user-select: none; /*火狐*/
    -webkit-user-select: none; /*webkit浏览器*/
    -ms-user-select: none; /*IE10*/
    -khtml-user-select: none; /*早期浏览器*/
    user-select: none;
}
#mapDisplay td {
    border: 1px solid rgb(234, 253, 181);
    width: 20px;
    height: 20px;
    /*color: rgb(89, 236, 255);*/

    text-align: center;
    font-size: 15px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    background-color: rgb(233, 226, 186);
}
#mapDisplay td:hover {
    background-color: rgb(126, 124, 115) !important;
    /*background-color: rgb(255, 255, 255);*/
}
#mapDisplay p {
    border: 1px solid rgb(117, 114, 97);
    margin: 7px 7px 7px 7px;
    width: 200px;
    text-align: center;
    font-size: 20px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
}