#slideshow {
    position: relative;
    width: 1184px;
    height: 666px;
    padding: 15px;
    border: 1px solid #ddd;
    margin: 0 auto 2em;
    background: #FFF;
    background: linear-gradient(#CCC, #CCC 20%, #CCC 80%, #CCC);
    /*-- CSS3 --*/
    box-shadow: 0 0 3px rgba(0,0,0, 0.9);
}

/*-- Ombrage CSS3 --*/
#slideshow:before,  
#slideshow:after {  
    position: absolute;  
    bottom:10px;  
    z-index: -10;  
    width: 60%;  
    height: 20px;  
    content: " ";  
    background: rgba(0,0,0,0.4);
    border-radius: 50%;  
    box-shadow: 0 0 3px rgba(0,0,0, 0.4), 0 20px 10px rgba(0,0,0, 0.4);  
}  
#slideshow:before {  
    left:0;  
	transform: rotate(-8deg); 
}
#slideshow:after {  
    right:0;  
    	transform: rotate(8deg);  
}
#slideshow .container {  
    position:absolute;  
    width: 1184px;  
    height: 666px;  
    overflow: hidden;  
}