body {
    width: 960px;
    margin: 0 auto;
    background-color: #E2DBDB;
    text-align: center;
}




#nav, #feature, #footer {
    background-color: #FFFFFF;
    font-size: 1.125em;
   
}

#content {
    overflow: auto;
    height: 100%;
}

#footer {
    background-color: #FFFFFF;
    margin-top: 10px 10px 10px 10px;
}

#Hauptartikel {
    background-color: #FFFFFF;    
}
#spalten {
    width: 100%;
}
.column1, .column2, .column3 {
    width: 250px;
    float: left;
    margin: 10px;
    background-color: #FFFFFF;
    padding: 10px;        
}
h1 {
    text-align: center;
    color: #E2DBDB;
    background-color: #2F2C2C;
    padding: 20px;
}



li {
    display: inline;
    padding: 5px;
    font-family: Helvetica;
}

/* Navigation/Hover */
ul li {
    display: inline-block;
    margin: 0;
    padding: 0;    
}
ul li a {
    position: relative;
    display: block;
    padding: 25px 25px 25px 25px;
    text-decoration: none;
    color: #2F2C2C;
    z-index: 1;
}

ul li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 0;
    background-color: #3bb631;
    transition: all 250ms;
    z-index: -1;
}
ul li a:hover::before {
    height: 100%;
}