elementui 菜单选中优化

/** 父级菜单悬浮样式**/
.el-submenu__title:hover {
  color:#1890ff!important;
}
/** 父级菜单箭头悬浮样式**/
.el-submenu__title:hover>.el-submenu__icon-arrow{
  font-size: 13px!important;

}
/** 子菜单悬浮样式**/
.el-menu-item:hover{
  color:#1890ff!important;
}
/** 菜单选中样式**/
.el-menu-item.is-active{
  background-color: #e6f7ff!important;
}
/** 菜单选中样式添加竖条动效**/
.el-menu-item.is-active:after {
  transform: scaleY(1);
  opacity: 1;
  transition: transform .15s cubic-bezier(.645,.045,.355,1),opacity .15s cubic-bezier(.645,.045,.355,1);
}
/** 菜单高度**/
.el-submenu .el-menu-item {
  height: 45px;
  line-height: 45px;
}
/** 菜单项伪类**/
.el-menu-item:after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  border-right: 3px solid #1890ff;
  transform: scaleY(.0001);
  opacity: 0;
  transition: transform .15s cubic-bezier(.215,.61,.355,1),opacity .15s cubic-bezier(.215,.61,.355,1);
  content: "";
}