@media only screen and (min-width: 0px){
	div.container-introduction {background-image: url('../../img/casestudies/tennis-ids/img-stage-mobile.jpg');}
    section .image-separateur {background-image: url('../../img/casestudies/tennis-ids/img-separator-mobile.jpg');}
    section .video-separateur {background-image: url('../../img/casestudies/tennis-ids/vid-separator-mobile.jpg'); padding-top:34%; }
}


@media only screen and (min-width: 440px){
	div.container-introduction { background-image: url('../../img/casestudies/tennis-ids/img-stage-tablet.jpg');} 
    section .image-separateur {background-image: url('../../img/casestudies/tennis-ids/img-separator-tablet.jpg');}
    section .video-separateur {background-image: url('../../img/casestudies/tennis-ids/vid-separator-tablet.jpg');}
}


@media only screen and (min-width: 700px){
	div.container-introduction { background-image: url('../../img/casestudies/tennis-ids/img-stage-laptop.jpg');}
    section .image-separateur {background-image: url('../../img/casestudies/tennis-ids/img-separator-laptop.jpg');}
    section .video-separateur {background-image: url('../../img/casestudies/tennis-ids/vid-separator-laptop.jpg');}
}


@media only screen and (min-width: 1000px){
}


@media only screen and (min-width: 1200px){
    div.container-introduction { background-image: url('../../img/casestudies/tennis-ids/img-stage.jpg');} 
    section .image-separateur {background-image: url('../../img/casestudies/tennis-ids/img-separator.jpg');}
    section .video-separateur {background-image: url('../../img/casestudies/tennis-ids/vid-separator.jpg');}
}	

@media only screen and (min-width: 1500px){	
    
}