section {
    margin: auto;
    width: 90%;
}

.oben {
    display: flex;
    justify-content: space-around;
    margin-bottom: 5%;
    margin-top: 3%;
}

.oben h2{
    display: inline;
    text-align: center;
}

.oben a img {
    max-width: 100%;
    max-height: 100%;
}

@media screen and (max-width: 992px) {
    .oben {
        margin-bottom: 3.5%;
    }

}