.holiday-banner {
    background-color: #db5234;
    color: #ffffff;
    text-align: center;
    padding: 10px 0;
    font-size: 16px;
    font-weight: bold;
    margin-top: 100px;
}

@media (max-width: 768px) {
    .holiday-banner {
        margin-top: 90px;
    }
} 

/* 
Removing the banner: 
Remove Stylesheet reference 
Remove banner <div>
Remove banner.css
In speisekarte.html remove 
.mobile-nav margin-top from 20px to 100px
padding oder margin bei speisekarte.css und landing.css
*/