body {
  margin: 1rem auto;
  width: 50%;
}
.container{
  display: grid;
  grid-template: 1fr 1fr /1fr;
  width: 50%;
  height: 800px;
  
}
.calculator{
  background: linear-gradient(to left , rgba(241, 141, 141, 0.667),rgba(248, 37, 37, 0.667));
  box-shadow: 3px 3px black;
 text-align: center;
 
}
.one{
  margin: 10px;
}
.one1{
  margin: 20px;
}
.btn{
  width: 40px;
  margin: 10px;
  
  font-size: 20px;
}
.btn:hover{
 background: rgb(245, 231, 175);
}