Simple way to highlight keypress or key combinations with CSS. Just add a <span> with a "keypress" class to the relevant text.

keypress.css

/*
  Simple way to highlight keypress or key combinations with CSS.
  Just add a <span> with a "keypress" class to the relevant text.
  
  example: Press <span class="keypress">Ctrl-C</span> to copy.
*/

span.keypress {
  /* for use with white background */
  border: 1px solid #000;
  border-bottom: 3px solid #000;
  border-radius: 3px;
  padding-left: 5px;
  padding-right: 5px;
}