body:before {
    background:   url(https://images.cnblogs.com/cnblogs_com/aiyadc/1794731/o_200627154048romantic.jpg) center/cover no-repeat;
    content: '';
    background-repeat: no-repeat;
    background-position: center;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    -webkit-filter: grayscale(40%);
    -moz-filter: grayscale(40%);
    -ms-filter: grayscale(40%);
    -o-filter: grayscale(40%);
    filter: grayscale(40%);
    filter: gray;
}

#loading {
    bottom: 0;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 9999;
    background-color: #f4f5f5;
    pointer-events: none;
}
.loader-inner {
    will-change: transform;
    width: 40px;
    height: 40px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -20px 0 0 -20px;
    background-color: #3742fa;
    border-radius: 50%;
    animation: scaleout 0.6s infinite ease-in-out forwards;
    text-indent: -99999px;
    z-index: 999991;
}
@keyframes scaleout {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    40% {
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}
/*补充框架css*/
.custom-signature{
    display: none;
}
/*侧边栏最喜欢的链接*/
.favourite{
    display: none;
}