* {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #fff;
    color: black;
}

.dark-mode {
    background-color: #000;
    color: #fff;
}