* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #0b0b0b;
    color: #e8e8e8;
    font-family: Arial, sans-serif;
}

main {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}