Markdown添加图片并居中

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<center>
    <img style="border-radius: 0.3125em;
    box-shadow: 0 2px 4px 0 rgba(34,36,38,.12),0 2px 10px 0 rgba(34,36,38,.08);" 
    src="这里输入图片地址">
    <br>
    <div style="color:orange; border-bottom: 1px solid #d9d9d9;
    display: inline-block;
    color: #999;
    padding: 2px;">这里输入题注</div>
</center>