*{
    padding: 0;
    margin: 0;
    font-size: 47px;
    font-family: 'Orbitron', sans-serif;
}
.calc{
    width: 395px;
    margin: auto;
    padding: 50px;
    border-radius: 11px;
    background-color: #39383d;
}
.calc-display{
    width: 108%;
    height: 82px;
    border: none;
    background-color: #a2af77;
    margin-bottom: 14px;
    border-radius: 8px;
}
h1{
    text-align: center;
    /* font-family: Arial, Helvetica, sans-serif; */
    font-weight: bold;
    padding: 30px 0px;
    color: aliceblue;
}
input[type="button"] {
    width: 75px;
    height: 75px;
    margin: 10px;
    color: #fff;
    border: none;
    border-radius: 8px;
    background-color: #58595b;
}