It's very useful when having stuff like that: <style type="text/css"> .code-line::before {content: '>>> ';} </style> <div class="code-line">print 12</d

It's very useful when having stuff like that: <style type="text/css"> .code-line::before {content: '>>> ';} </style> <div class="code-line">print 12</div> <div class="code-line">a = [i**2 for i in range(10)]</div> Then the reader can copy the actual code without the interpreter's prompt.