src/main/resources/static/plugins/element-ui/packages/theme-chalk/lib/page-header.css

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.el-page-header{display:-webkit-box;display:-ms-flexbox;display:flex;line-height:24px}.el-page-header__left{display:-webkit-box;display:-ms-flexbox;display:flex;cursor:pointer;margin-right:40px;position:relative}.el-page-header__left::after{content:"";position:absolute;width:1px;height:16px;right:-20px;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%);background-color:#DCDFE6}.el-page-header__left .el-icon-back{font-size:18px;margin-right:6px;-ms-flex-item-align:center;align-self:center}.el-page-header__title{font-size:14px;font-weight:500}.el-page-header__content{font-size:18px;color:#303133}