/* 清除我认为不需要的部件 */
    /* #poweredby,
    #blogCalendar,
    #under_post_kb,
    #under_post_news,
    #ad_t2,
    #widget_my_google,
    .CalWeekendDay {
        display: none;
    } */
    #sidebar_categories>.catListPostCategory>ul li {
        position: relative;
        display: block;
        padding-left: 20px;
        line-height: 1.8em;
        list-style: none;
        cursor: pointer;
        overflow-y: hidden;
    }
    #sidebar_categories>.catListPostCategory>ul li>span::before {
        position: absolute;
        content: "";
        left: 0px;
        top: 3px;
        height: 20px;
        width: 20px;
        background-image: url(https://img2020.cnblogs.com/blog/1822882/202108/1822882-20210803092408361-1736795940.png);
        background-size: 100% 100%;
    }
    .catListPostCategoryToggle{
        height: 1.8em;
    }
    .catListPostCategorySpanToggle::before{
        background-image: url(https://img2020.cnblogs.com/blog/1822882/202108/1822882-20210803092437369-2081562.png) !important;
    }