element-plus/lib/theme-chalk/el-popover.css

A Component Library for Vue3.0

.el-popover.el-popper{background:#FFF;min-width:150px;border-radius:4px;border:1px solid #EBEEF5;padding:12px;z-index:2000;color:#606266;line-height:1.4;text-align:justify;font-size:14px;-webkit-box-shadow:0 2px 12px 0 rgba(0,0,0,.1);box-shadow:0 2px 12px 0 rgba(0,0,0,.1);word-break:break-all}.el-popover.el-popper--plain{padding:18px 20px}.el-popover__title{color:#303133;font-size:16px;line-height:1;margin-bottom:12px}.el-popover.el-popper:focus,.el-popover.el-popper:focus:active,.el-popover__reference:focus:hover,.el-popover__reference:focus:not(.focusing){outline-width:0}