body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: black;
    display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        margin: 0;
        
}

.calculation {
    color: white;
    font-size: 45px;
    margin-top: 15px;
    margin-bottom: 5px;
}

.calculator-button {
    height: 60px;
    width: 60px;
    border-radius: 60px;
    border: none;
    font-size: 26px;
    cursor: pointer;
    margin-right: 5px;
}

.grey-button {
    background-color: rgb(51, 51, 51);
    color: white;
}

.orange-button {
    background-color: rgb(254, 160, 10);
    color: white;
}

.clear-button {
    font-size: 17px;
}