.content-box {
    padding: 1rem;
}

.bg-header {
    background-image: url('../images/partner/partner-header.png');
    background-color: white;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.sponsoring-bg {
    flex: 1;
    background-color: white;
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
}

.bg-ister {
    background-image: url('../images/sponsoring/sponsoring-ister.jpg');
    background-size: 70%;
}

.bg-askoe {
    background-image: url('../images/sponsoring/sponsoring-askoe.jpg');
    background-size: 50%;
}

.bg-ubu-racing {
    background-image: url('../images/sponsoring/sponsoring-ubu-racing.jpg');
    background-size: 70%;
}

.bg-sportunion {
    background-image: url('../images/sponsoring/sponsoring-sportunion-niederneukirchen.png');
    background-size: 50%;
}

.bg-steelsharks {
    background-image: url('../images/sponsoring/sponsoring-steelsharks.png');
    background-size: 80%;
}

.bg-union-kefermarkt {
    background-image: url('../images/sponsoring/sponsoring-union-kefermarkt.jpg');
    background-size: 45%;
}