HTML_22.5.css

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

img {
    max-width: 100%;
    height: auto;
}

body {
    background-color: honeydew;
    font-family: Arial, Helvetica, sans-serif;
}

header, footer {
    width: 100%;
    background-color: orchid;
    border-radius: 25px;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 10px;
    overflow: auto;
}

header img {
    float: left;
    margin: 10px;
    border-radius: 50%;
}

header h1 {
    font-size: 2.2em;
    margin: 15px 15px 15px 120px;
}

header h2 {
    font-size: 1.3em;
    margin-left: 50%;
}

nav {
    padding: 10px;
}

article {
    padding: 10px;
    font-family: "Snell Roundhand", "Comic Sans MS", cursive;
    color: honeydew;
}

aside {
    padding: 10px;
    border-radius: 25px;
    background-color: orchid;
}

#hauptbereich {
    width: 100%;
    background-image: linear-gradient(#006060, darkcyan);
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 25px;
}

nav li {
    background-color: orchid;
    border-radius: 15px;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 10px;
    font-size: 1.3em;
    list-style: none;
}

nav a {
    color: black;
    text-decoration: none;
}

nav a:hover {
    color: darkcyan;
}

h1 {
    margin-top: 30px;
    padding-bottom: 20px;
}

p {
    margin-top: 10px;
    margin-bottom: 10px;
}

figure {
    margin: 10px;
}

footer {
    min-height: 80px;
    text-align: center;
    padding-top: 20px;
    color: honeydew;
}


@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;
    }    
}


@media only screen and (min-width: 768px){

    #gesamt {
        width: 70%;
        margin: auto;
    }


    nav {
        float: left;
        width: 25%;
    }
    
    article {
        width: 50%;
        margin-top: 20px;
    }

    aside {
        width: 25%;
        margin-top: 20px;
    }

    nav li {
        display: block;
        padding: 10px;
        font-size: 1.3em;
    }
}