body {
    font-size: 15pt;
    display: flex;
    align-self: center;
    background-color: lightcyan;
}
/*
.container{
    height: 400px;
    width: 350px;
    display: flex;
    background-color: blue;
}*/

.calculator{
    height: 160px;
    width:200px;
    border: 2px solid black;
    border-radius: 20px;
    margin-left: 300px;
    margin-top: 100px;
    background-color: lightblue;
    justify-self: center;
    justify-content: center;

}
input{
    padding-left: 10px;
    margin-left: 10px;
    border-radius :6px;
    justify-content:center;
    text-decoration:strike;

}
button{
    background-color: lightgray;
    border-radius: 20px;
    border : 2px groove lightgray ;
   
}
.buttons{
    padding-left:20px;
}
button:hover{
  background-color: indianred;
  border-radius: 22px;
  background-color:blue;
}