.contenitore{
width: 370px;
margin-left: auto;
margin-right: auto;
margin-top: 150px;
border: 1px solid;
padding: 10px;
box-shadow: 20px 30px #888888;
background-image: url("https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.PIX.61261640.7055475/4613037.jpg")
}

}
.display{
  background-position: center;
  background-color: inherit;
  margin-left: auto;
  margin-right: auto;
  margin-top: 50px;
  margin-bottom: 50px;
}
.pulsante{
  width: 50px;
  height: 50px;
  background-color:#7c7c7b;
  border-radius: 5px;
  color:white;
  margin: 5px;
  animation-name: cambiocolore;
  animation-duration: 7s;
  animation-iteration-count:infinite;
  animation-direction: alternate-reverse;
}

@keyframes cambiocolore {
  from {color: black;}
  to {color: #fffa3e;}
}

.tastiera{
  display: flex;
}

.sinistra{
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  flex-direction: row;
  align-items:space-between;
}

.destra {
  width:100%;
  align-content:space-between;
}