.mainbox{overflow:hidden;position:relative}.left-part{border-right:1px solid rgb(var(--v-theme-borderColor));flex-shrink:0;min-height:500px;transition:.1s ease-in;width:320px}.v-theme--light .left-part{background:#fff}.v-theme--dark .left-part{background:#2b2b2b}.right-part{min-height:500px;position:relative;width:100%}