html {
    color-scheme: light dark;
}

body {
    /* width: 35em; */
    margin: 0 30px;
    font-family: Tahoma, Verdana, Arial, sans-serif;
}

form {
    border-radius: 5px;
    background-color: rgba(124, 124, 124, 0.5);
    border-color: rgba(124, 124, 124, 0.5);
    padding: 20px;
}