html,
body,
.div_body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

.div_body {
    /*background: url('../../content/images/body.back.png') center center no-repeat;
    background-size: cover;*/
    background: linear-gradient(135deg, rgb(15, 23, 42), rgb(30, 41, 59));
    position: absolute;
}

[v-vloak] {
    display: none;
}

::-webkit-scrollbar {
    width: 8px;
    background: rgba(31, 31, 38, 1);
}

::-webkit-scrollbar-track {
    background: rgba(31,31,38,1);
}

::-webkit-scrollbar-thumb {
    border-radius: 15px;
    background: rgba(57, 59, 67, 1);
}

.unselectable {
    -webkit-user-select: none; /* Chrome/Safari/Opera */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* IE10+ */
    user-select: none; /* 标准语法 */
}