.container{
    text-align: center;
    margin-top:23px
}

table{
    margin: auto;
}

input{
    border-radius: 30px;
    font-size:34px;
    height: 65px;
    width: 456px;
    box-shadow: inset -5px -5px 12px #ffffff, inset 5px 5px 12px rgb(64 64 64 / 90%);
    border: none;
    text-align: end;
}

button{
    border-radius: 50%;
    font-size: 40px;
    background: #f5f6f6;
    width: 102px;
    height: 90px;
    margin: 6px;
    box-shadow: inset -5px -5px 12px #ffffff, inset 5px 5px 12px rgb(64 64 64 / 90%);
    border: none;
}

.calculator{ 
    border: 4px solid #868484;
    background-color: #eef3f0;
    padding: 23px;
    border-radius: 53px;
    display: inline-block;
    
}

h1{
    font-size: 28px;
    font-family: 'Courier New', Courier, monospace;
}