.zhezhao {
    background: rgba(255,255,255,.3);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.headermenu {
    background: rgba(255,255,288,.8);
    -webkit-backdrop-filter: saturate(5) blur(20px);
    backdrop-filter: saturate(5) blur(20px);
    -webkit-box-shadow: 0 1px 5px rgba(0,0,0,.2);
    box-shadow: 0 1px 5px rgba(0,0,0,.2);
    box-shadow: 0px 0px 20px -5px rgba(158, 158, 158, 0.22);
}
.dark .headermenu {
    background: rgba(0,0,0,.8);
}