.container{
    text-align: center;
    margin-top: 20px;
}
table{
    margin: auto;
}
input{
    font-size: 33px;
    border: 4px solid #285e28;
    border-radius: 24px;
}
button{
    font-size: 34px;
    background-color: chartreuse;
    width: 92px;
    height: 85px;
    border-radius: 24px;
}
.calculator{
    display: inline-block;
    background-color: gray;
    padding: 10px;
    border-radius: 26px;
    border: 6px solid darkolivegreen;
}