* {
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
}

body {
    background-color: #333;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: white;
}

.header {
    margin: 10rem;
}

.logo {
    width: clamp(20rem, 20vw, 80% );
    margin: 0 auto;
}

.main {
    width: 60%;
    margin: 0 auto;
    text-align: center;
    font-size: 1.5rem;
}

@media screen and (max-width: 600px) {
    .header {
        margin: 5rem 1rem;
    }
}