#platno {
width: 100%;
height: 400px;
    
}


#img1 {
width: 100%;
height: 100%;
position: absolute;
background-image: url(../foto/js/1000_400_celo_3.jpg);
background-size: cover;
}
#img2 {
width: 100%;
height: 100%;
position: absolute;   
background-image: url(../foto/js/1000_400_bok_3.jpg);
background-size: cover;
}
#img3 {
width: 100%;
height: 100%;
position: absolute;    
background-image: url(../foto/js/1000_400_predek_3.jpg);
background-size: cover;
}