button>
                <button data-key="CONTROL" style="width: 86px">Ctrl</button>
                <div class="spacer-small"></div>
                <button data-key="LEFT_ARROW">&larr;</button>
                <button data-key="DOWN_ARROW">&darr;</button>
                <button data-key="RIGHT_ARROW">&rarr;</button>
                <div class="spacer-small"></div>
                <button data-key="NUMPAD_ZERO" class="wide">0</button>
                <button data-key="NUMPAD_PERIOD">.</button>
           