html{
	background: url(https://images.unsplash.com/photo-1457523054379-8d03ab9fc2aa?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=1080&fit=max&s=39cc0a181c44721c7576d72e47ea365f);
	/*background: #d9dce0;*/
	background-size: cover;
	font-size: 10px;

}

html, body{
	margin:0;
	padding:0;
}


.keys {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;*/
  background: black;
  min-height: 100vh;
  
}

 .key{
	border: .4rem solid black;
  border-radius: .5rem;
  margin: 1rem;
  font-size: 1.5rem;
  padding: 1rem .5rem;
  transition: all 0.07s ease;
  width: 10rem;
  text-align: center;
  color: white;
  background: rgba(0,0,0,0.4);
  text-shadow: 0 0 .5rem black;


}

kbd {
  display: block;
  font-size: 4rem;
}

.playing{
  transform: scale(1.1);
  border-color: #ffc600;
  box-shadow: 0 0 1rem #ffc600;

}