element ui 导航栏样式

ui设计图长酱紫~~

上代码：

// 未选中
.el-menu-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #686868;
  color: #686868;
  margin-right: 8px;
  display: inline-block;
}

// 选中
.el-menu-item.is-active::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #9BFF37;
  color: #9BFF37;
  margin-right: 8px;
  display: inline-block;
  box-shadow: 2px 2px 2px #686868;
}

.el-menu-item.is-active {
  color: #fff !important;
  background-image: url('../assets/screen/item.png');
  background-size: 90% 70%;
  background-repeat: no-repeat;
}