body {
  padding: 0;
  margin: 0;
  background: linear-gradient(to right, #00AAFF, #b3dd52);
}
h1{
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}
#heading{
    margin-top: 2%;
    margin-bottom: 1%;
    font-size: 4rem;
    color: darkblue;
    text-shadow: 5px 0 2px yellow;
}
.container{
    text-align: center;
    margin-top: 23px;
}
table{
    margin: auto;
}
input{
    height: 58px;
    font-size: 34px;
    width: 90%;
    border: 2px solid black;
    border-radius: 12px;
    text-align: right;
    padding: 1% 3%;
    background-color: whitesmoke;
}
button{
    margin: 5px;
    font-size: 30px;
    background-color: rgb(211, 204, 204);
    border: 2px solid black;
    width: 95px;
    height: 60px;
    border-radius: 10px;
    height: 60px;
}
button:hover{
    background-color: black;
    color: white;
}
.calculator{
    border: 5px solid darkblue;
    background-color:yellow;
    padding: 20px;
    border-radius: 25px;
    display: inline-block;
}