js-keyboard-keys
Some simple code to include working keyboard key visuals to help explain users keyboard shortcuts. Automatically adapts for Windows/Mac users.
Demo
Usage
<span class="key-ctrl">Ctrl</span> <span class="key-shift">Shift</span> <span class="key-alt">Alt</span> <span class="key-meta">⊞ Win</span>
JavaScript will change buttons to Mac variants.