查看“模板:SimpleBanner”的源代码

<includeonly><!--
--><div style="display: flex; 
            background-color: {{{bg-color|{{{background-color|#90caf9}}}}}}; <!-- 底色 -->
            border-left: 12px solid {{{border-color|#1970D2}}}; <!-- 左侧边框 --> ">
<div style="align-self: center; margin: 0.5em;">

{{{content|}}}

</div>
</div></includeonly>