title: How to layout something like seats in cinema hall
body: <p>I would like to design something like shown below.How should I go about laying it out in html/css.Should I use table or flex would be better or something else?</p>
  
  <p><a href="https://i.stack.imgur.com/tz7Md.png" rel="nofollow"><img src="https://i.stack.imgur.com/tz7Md.png" alt="Picture hall"></a></p>