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

body {
    font-family: Arial, sans-serif;
    text-align: center;
}

header {
    padding: 20px;
}

.logo {
    max-width: 200px;
}

.brands {
    margin: 20px;
}

.brand-gallery img {
    max-width: 150px;
    margin: 10px;
}

footer {
    margin-top: 20px;
    padding: 10px;
    background-color: #f4f4f4;
}

@media (max-width: 768px) {
    .brand-gallery img {
        max-width: 100px;
    }
}