body{
  background-color: lightblue;
  text-align: center;
}

#Display{
  font-size: 20px;
  font-weight: bold;
  width: 174px;
  height: 50px;
  margin-bottom: 10px;
  text-align: right;
}

div{
  margin: 2px;
}

.Botones{
  width: 40px;
  height: 40px;
  text-align: center;
}

#Igual{
  width: 127px;
}

#Reset{
  width: 127px;
}