ul.gallery{
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    margin-top: 150px;
}

ul.gallery img{
    display: block;
    margin-left: auto;
    margin-right: auto;
}


.part-collage .collage-item img{
    box-shadow: 15px 15px 40px rgba(0,0,0,0.2);
}

.part-collage .collage-item:first-child{
    z-index: 6;
    position: relative;
}

.part-collage .collage-item:not(:first-child){
    position: absolute;
    top: 0;
    z-index: 4;
}

.part-collage .collage-item:nth-child(2){
    right: calc( 50% - 22% );
    top: -17%;
    transform: translateX(50%);
}

.part-collage .collage-item:nth-child(3){
    right: calc( 50% + 31% );
    top: 35%;
    transform: translateX(50%);
}

.part-collage .collage-item:nth-child(4){
    right: calc( 50% + 21% );
    top: -35%;
    transform: translateX(50%);
}



.part-collage .collage-item,
.part-collage .collage-item > *{
    width: auto;
    display: inline-block;
    transition: 1s;
}


@media only screen and (max-width: 1400px){
    .part-collage .collage-item:nth-child(2){
        right: calc( 50% - 29% );
    }
    .part-collage .collage-item:nth-child(4){
        right: calc( 50% + 27% );
        top: -45%;
    }
    .part-collage .collage-item:nth-child(3){
        top: unset;
        bottom: -30%;
    }
}

@media only screen and (max-width: 1000px){
    .part-collage .collage-item:first-child img{
        max-width: 400px;
    }
}


@media only screen and (max-width: 700px){
    .part-collage .collage-item:first-child img{
        max-width: 350px;
    }
    .part-collage .collage-item:nth-child(2){
        top: -55%;
    }
    .part-collage .collage-item:nth-child(3){
        top: unset;
        bottom: -60%;
    }
}

@media only screen and (max-width: 500px){
    .part-collage .collage-item:first-child img{
        max-width: 350px;
    }
    .part-collage .collage-item:nth-child(2){
        top: -75%;
    }
    .part-collage .collage-item:nth-child(3){
        top: unset;
        bottom: -60%;
    }
}


@media only screen and (max-width: 768px) {


    
    .part-collage{
        transform: scale(0.7);
    }
    
    .part-collage .collage-item:nth-child(4){
        top: -120%;
    }
    
    .part-collage .collage-item:nth-child(3){
        bottom: -70%;
    }
    
    .part-collage .content-gallery{
        margin-top: 50px;
        margin-bottom: 50px;
    }
    
    .part-collage ul.gallery,
    .part-collage ul.gallery .glider-track {
        display: flex;
        margin-top: 0;
    }

    .part-collage ul.gallery > *,
    .part-collage ul.gallery .glider-track > * {
        flex-basis: 100%;
        position: relative !important;
        transform: none !important;
        right: unset !important;
        left: unset !important;
        top: unset !important;
        margin-bottom: 30px;
    }

    .part-collage .collage-item img {
        width: auto !important;
        max-width: 100% !important;
        right: unset !important;
        animation: none;
        box-shadow: none;
    }

    section.part-collage {
        transform: none;
    }

    
}

@media only screen and (max-width: 500px) {

}