body {
        background-color: #e9e9e9;

}

main {
        background-color: #e9e9e9;
        display: block;
                        /* fallback für IE 9-11 */
                padding: 1.2em;
                padding-top: 0.2em;
                margin: auto;

}
header {
   background-image: url(../Dateien/Briefkopfstreifen_1.gif);
        background-repeat: repeat-x;
     text-align: right;

}

nav{
        background-color: black;
        color: white;
   text-align: center;
        text-decoration: none;
   margin-bottom: 0.2em;
   padding: 0.2em;
}
footer {
        background-color: black;
        color: white;
        text-align: right;
        text-decoration: none;
        padding: 0.2em;
}


 article
 {
 display: flex;
 }

section {
        background-color: silver;
        margin: 10px;
        padding: 5px;
        flex: 1;
        text-align: center;

}

h1
{text-align: center;
}



a{
        color: white;
        padding: 0.2em;
        font-size: 1.2em;
}

a:hover {
       background-color: #e9e9e9;
            color: blue;




}

.link{

        margin: 0.1em;
        padding: 0.4em;
}



.link_1{
        display: inline;
        color: green;
}


.link_2{
        display: list-item;
        margin-left: 5em;
        padding: 0.3em;
        color: green;
        font-size: .8em;
}