.sponsors {
    margin: 0 auto 100px;
}

.sponsors h3 {
    text-align: center;
    margin-top: 50px;
    margin-bottom: 0;
}

.sponsor_wrapper {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-wrap: wrap;
    width: calc(100% + 30px);
    margin-left: -15px;
    border-bottom: 2px solid rgba(0,0,0,0.1);
}

.center_logos {
    justify-content: center;
}

.sponsor {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    margin: 15px;
    max-width: calc((100% - 210px) / 7);
    width: auto;
    height: 170px;
    box-sizing: border-box;
    transition: 0.2s all ease-in-out;
}

.sponsor img {
    width: 100%;
}

.sponsor_wrapper a:hover {
    opacity: 0.8;
    transition: 0.2s all ease-in-out;
}

@media (max-width: 1500px) {
    .sponsor {
        max-width: calc((100% - 180px) / 6);
    }
}

@media (max-width: 1100px) {
    .sponsor {
        max-width: calc((100% - 150px) / 5);
    }
}

@media (max-width: 900px) {
    .sponsor {
        max-width: calc((100% - 120px) / 4);
    }
}

@media (max-width: 700px) {
    .sponsor {
        max-width: calc((100% - 90px) / 3);
    }
}

@media (max-width: 500px) {
    .sponsor {
        padding: 15px;
    }
}

@media (max-width: 450px) {
    .sponsor {
        max-width: calc((100% - 60px) / 2);
    }
}