You can use text-align: center on the parent and change the img to display ... ... <看更多>

Guide to aligning images in github readme.md files. ... I found out how to center a local image using only HTML. ... <看更多>

... we want to align the image center within the Jekyll post. But applying CSS style directly into the markdown file with HTML tag is ... ... <看更多>

However, whether MathJax and \hspace{} or HTML and   , these are both workarounds for a real centering method from the developers. ... <看更多>