#about_us {
    margin: 0 auto;
    margin-top: 40px;
    display: flex;
    flex-flow: row wrap;
    flex-basis: 50%;
    max-width: 1500px;
}
#about_us_description {
    flex: 1;
    order: 1;
    margin-top: 20px;
    margin-right: 40px;
    width: 50%;
    min-width: 420px;
}
#about_us_pics {
    flex: 1;
    order: 2;
    min-width: 380px;
}
#about_us_pics img {
    max-width: 100%;
}
#about_us p {
    text-align: left !important;
}
#collaborations {
    position: relative;
    height: 500px;
}
#collaboration_trapezoid {
    position: absolute;
    top: 2%;
    bottom: 0;
    right: 0;
    left: -17%;
    width: 150%;
    height: 75%;
    background-color: var(--hhf-grey-light);
    transform: perspective(410px) rotateY(5deg) translateZ(-93px);
    z-index: 1 !important;
}
#collaborations .page_container {
    position: relative;
    z-index: 3;
    margin-top: 100px;
    padding: 85px 20px;
    max-width: 75vw;
    transform: translateZ(100px);
}
#partner_logos {
    text-align: center;
}
#partner_logos img {
    margin-top: 20px;
    width: 100%;
}
#preferred_vendors {
    margin-top: 75px;
}
#vendor_list {
    display: flex;
    flex-flow: row wrap;
    margin: 0 auto;
    max-width: 800px;
    padding-left: 0%;
}
#column_1 {
    margin-right: 123px;
}
#vendor_list dl {
    flex: 1;
    min-width: 285px;
    text-align: center;
}
#preferred_vendors dt {
    margin-top: 30px;
}
@media all and (min-width: 1500px) {
    #collaborations {
        height: 600px;
    }
}
@media all and (min-width: 2250px) {
    #collaborations {
        height: 800px;
    }
    #collaborations .page_container {
        padding: 130px 20px;
    }
}
@media all and (max-width: 1050px) {
    #collaborations {
        margin-top: -75px;
    }
    /* #preferred_vendors {
        margin-top: -90px;
    } */
    #about_us_description {
        order: 2;
    }
    #about_us_pics {
        order: 1;
    }
}
@media all and (max-width: 867px) {
    #column_1 {
         margin-right:0px;
    }
}
@media all and (max-width: 1000px) {
    #about_us_description {
        margin-right: 0px;
        margin-bottom: 25px;
    }
}
@media all and (max-width: 680px) {
    #collaborations {
        height: 400px;
    }
}
@media all and (max-width: 575px) {
    #about_us {
        margin-top: 0px !important;
    }
    #about_us_pics,
    #about_us_description {
        min-width: 290px;
    }
    #about_us_description {
        
    }
}