HTML_22.4.2.css

@media only screen and (min-width: 600px) {
    nav li {
        display: inline-block;
        border-radius: 10px;
        margin-right: 2%;
        padding: 5px;
        font-size: 1.1em;
    }
    
    article {
        width: 60%;
        float: left;
    }

    aside {
        width: 40%;
        float: left;
    }
    
    #hauptbereich {
        overflow: auto;
    }    
}