<div class="side"ref="refside"><i class="el-icon-s-home"style="display: block;"><a href="">首页</a></i><i class="el-icon-s-custom"style="display: block;"><a href="">用户</a></i><i class="el-icon-menu"style="display: block;"><a href="">菜单</a></i><i class="el-icon-pie-chart"style="display: block;"><a href="">图表</a></i></div>
.side {height: 90vh;width: 15%;background: #eaeaeb;overflow: auto;position: relative;display: inline-block;transition: 0.3s ease-in-out;z-index: 1;}
按钮的设置
学习之路漫漫,欢迎指正其中虽能实现,但是多余或者不太合理的地方。