.sponsor {
    width: 24%;
    display: inline-block;
    vertical-align: middle;
    padding: 20px 30px;
}

.sponsor-color-platinum {
    color: #b9c7c6;
}

.sponsor-color-gold {
    color: #ebbb10;
}

.sponsor-color-silver {
    color: #999da1;
}

.sponsor-color-bronze {
    color: #8b664d;
}

.sponsor-color-other {
    color: #250e56;
}

@media all and (max-width: 850px) {
    .sponsor {
        width: 35%;
    }
}

@media all and (max-width: 550px) {
    .sponsor {
        width: 50%;
    }
}