.Headerbox[data-v-b7b27de8]{height:50px;background-color:#2b2c33;position:absolute;width:100%}[data-v-b7b27de8] .EditionContent{position:relative;top:-39px}.header[data-v-b7b27de8]{height:100%;border-bottom:1px solid var(--border-color-light)}.newChannelClass .el-menu--popup-bottom-start{max-height:500px;overflow-y:auto;padding:0;width:280px}