layui-ul/source/components/list/ul-avatar-sidebar-list/_index.scss

.ul-avatar-sidebar-list {

    .ul-avatar-sidebar-list-item {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        margin-bottom: 12px;

        &:not(:last-child) {
            margin-bottom: 12px;
        }
    }

    .ul-avatar-sidebar-list-item-img {
        width: 58px;
        height: 58px;
        border-radius: 58px;
        background-image: url("/static/images/avatar.png");
        background-size: cover;
        background-position: center;
        flex-shrink: 0;
    }


    .ul-avatar-sidebar-list-item-title,
    .ul-avatar-sidebar-list-item-intro {
        text-overflow: ellipsis;
        overflow: hidden;
        white-space: nowrap;
    }

    .ul-avatar-sidebar-list-item-info {
        margin-left: 10px;
        width: calc(100% - 58px - 10px);
    }

    .ul-avatar-sidebar-list-item-intro {
        font-size: 12px;
        color: #999;
        line-height: 2;
    }
}