#bottom_sidebar_main #sidebar_pen i{width:100%;height:100%;background:url(./images/sidebar_pen-20210111142517.png) center no-repeat;display:inline-block}#bottom_sidebar_main #sidebar_memo i{width:100%;height:100%;background:url(./images/sidebar_memo-20210111142517.png) center no-repeat;display:inline-block}