td {
            vertical-align: middle;
            font-family: sans-serif;
}

body {
    -webkit-touch-callout: none;
    -webkit-text-size-adjust: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

._back {
    -moz-background-size: 100% 100%;
    -webkit-background-size: 100% 100%;
    -o-background-size: 100% 100%;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    width: 100%;
}

input, select, textarea {
            caret-color: #FF1744;/*光標顏色*/
            outline: none;
            border: none;
        }

        textarea {
            resize: none;
            /* 固定元素尺寸 */
        }