#2b211b
1<label class="metro"><input type="checkbox" role="switch" aria-label="Ligar o metrônomo" /><span class="corpo"><span class="face"><span class="escala"></span></span><span class="haste"><span class="peso"></span></span><span class="tempo">♩ = 120</span></span><span class="legenda"><span class="off">parado</span><span class="on">tique-taque</span></span></label>