* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
}

main {
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    text-align: center;
    padding: 40px;
}

h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

p {
    font-size: 20px;
    line-height: 1.6;
}

a {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 20px;

    background: #222;
    color: white;

    text-decoration: none;
    border-radius: 6px;
}

section {
    padding: 80px 40px;
    text-align: center;
}