.accueilPreload {

    display: none;

}


.accueilImage {

    height: 400px;

    width: 1000px;

    position: relative;

    overflow: hidden;

}


#accueilImage1 {

    position: relative;

    width: 1000px;

    height: 400px;

    z-index: 1;

}


#accueilImage2 {

    margin-top: -400px;

    position: relative;

    width: 1000px;

    height: 400px;

    z-index: 0;

}