*, *::before, *::after {
    box-sizing: border-box;
}

body {
    background-color: rgb(32, 32, 32);
    color: rgb(225, 225, 225);
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
}
main {
    margin: 8px;
}

.hide {
    display: none;
}