.element{ position: relative; margin-top: 100px; } .element:hover::before{position: absolute;content: attr(tips);left:0;top:-20px; border: 1px solid#eee; border-radius: 5px; }
.element{ position: relative; margin-top: 100px; } .element:hover::before{position: absolute;content: attr(tips);left:0;top:-20px; border: 1px solid#eee; border-radius: 5px; }名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
