.nav-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-banner {
    max-height: 100%;
    flex: 0 1 calc(23%);
    margin:1%;
    overflow: hidden;
}

.corner-banner{
    max-height: 100%;
    margin:1%;
    overflow: hidden;
    padding:0;
    margin:0;
}

.corner-banner.format-banner{
    flex:0 1 calc(31%);
}
.corner-banner.color-banner{
    flex:0 1 calc(23%);
}
.corner-banner.giclee-banner{
    flex:0 1 calc(33%);
}

.nav-banner, .large-banner {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    
}

.nav-image img {
    max-width: 100%;
    
}

.content-divider {
    width: 30%;
    border-bottom: 1px solid darkgrey;
}
.content-divider.full {
    width: 100%;
    border-bottom: 1px solid darkgrey;
}
.content-divider.left{
    margin-right:80%;
    border-bottom:1px solid darkgrey;
}

img.header-banner {
    height:auto; 
    width:100%; 
}

.row.nav-banner-container {
    display: flex;
    flex-wrap: wrap;
    justify-content:center;
}

img.img-fluid{
    width:100%;
    padding:4%;
}

.main-banner-image {
    height: auto;
    width: 100%;
    margin-top:2%;
}



@media (min-width: 991px) {
    img.header-banner.img-fluid {
        width:100%;
    }
    .large-banner {
        margin:1%;
        flex: 0 1 calc(48%);
    }
    .nav-banner, .large-banner {
        display:flex;
    }
    .nav-banner, .large-banner img{
        align-self:center;
    }
    #art-intro-banner1{
        display:none;
    }
    #art-intro-banner2 {
        display: block;
    }
    img.img-fluid {
        padding: 4%;
    }
    .slick-dots {
        bottom: 30px;
    }
} 
@media (max-width: 991px) {
    .nav-banner {
        flex: 0 1 calc(48%);
        margin:1%;
    }
    .nav-banner, .large-banner {
        box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
        margin:1%;
    }
    .slick-dots {
        bottom: 10px;
    }
    #art-intro-banner1{
        display:block;
    }
    #art-intro-banner2 {
        display: none;
    }
    .corner-banner.format-banner {
        flex: 0 1 calc(48%);
        max-width: 50%;
    }
    .corner-banner.color-banner {
        flex: 0 1 calc(48%);
        max-width: 50%;
    }
    .corner-banner.giclee-banner {
        flex: 0 1 calc(48%);
        max-width: 50%;
    }
}
@media (max-width: 480px) {

    .nav-banner {
        flex: 0 1 calc(48%);
        max-width: 50%;
        margin: 1%;
    }
    .corner-banner.format-banner {
        flex: 0 1 calc(48%);
        max-width: 50%;
    }

    .corner-banner.color-banner {
        flex: 0 1 calc(48%);
        max-width: 50%;
    }
    .content-divider {
        width: 70%;
        border-bottom: 1px solid darkgrey;
    }
    .nav-banner, .large-banner {
        box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    }
    .slick-dots {
        bottom: 10px;
    }
    
}