.img-transition {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    overflow: auto;
    
    -webkit-transition: all 1s cubic-bezier(0, 1, 0.5, 1);
    -ms-transition: all 1s cubic-bezier(0, 1, 0.5, 1);
    -o-transition: all 1s cubic-bezier(0, 1, 0.5, 1);
    transition: all 1s cubic-bezier(0, 1, 0.5, 1);
}