* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}
html {
    scroll-behavior: smooth;
}

:root {
    --header-h: 72px;
}

@media (max-width: 480px) {
    :root {
        --header-h: 56px;
    }
}

body {
    font-family: Arial, sans-serif;
    background: #f8f8f8;
    padding-top: var(--header-h);
}