.flexer {
    display: flex;
}

.flexer.fl-right {
    align-items: center;
    justify-content: flex-end;
}


.teilstrecken-img {
    position: relative;
    width: 100%;
    max-width: 320px;
    height: auto;
    display: block;
    box-shadow: 4px 4px 10px #ccc;
}