div.mitte {
    position: relative;
    width: 686px;
    padding-left: 26px;
    padding-right: 45px;
    padding-bottom: 35px;
    float: left;
}
div.mitte img {
    margin: 5px 8px 5px 8px;
}

div.mitte-content-breit {
    position: relative;
    width: 676px;
    float: left;
}

div.mitte-content-schmal1 {
    position: relative;
    width: 325px;
    float: left;
}

div.mitte-content-schmal2 {
    position: relative;
    width: 325px;
    padding-left: 26px;
    float: left;
}