body {
    font-family: 'Inter', Arial, Helvetica, sans-serif;
}

@media (max-width: 768px) {
    header, main, footer {
        max-width: 90vw;
        margin: 0 auto;
        padding: 20px;
    }
}

header, main, footer {
    max-width: 768px;
    margin: 0 auto;
    padding: 20px;
}

header h1 {
    margin: 0;
    border-bottom: 1px solid black;
}

header img.logo {
    max-width: 100px;
    max-height: 100px;
    position: absolute;
    top: 20px;
    left: 50%;
}