.cbp-bislideshow {
 list-style: none;
 position:absolute;
 z-index: -1;
 padding: 0;
 margin: 0 auto;
 left:0px;
 right:0px;
 top:0px;
 width:1100px;
 height:609px; 
}
.cbp-bislideshow li {
 position: absolute;
 width: 100%;
 height: 100%;
 opacity: 0;
 -webkit-transition: opacity 2s;
 -moz-transition: opacity 2s;
 transition: opacity 2s;
}


.backgroundsize .cbp-bislideshow li {
 -webkit-background-size: cover;
 -moz-background-size: cover;
 background-size: cover;
 background-position: center center; 
}


.backgroundsize .cbp-bislideshow li img {
 display: none;
}
.cbp-bislideshow li img {
 display: block;
 width: 100%;
}



.no-js.no-backgroundsize .cbp-bislideshow li:first-child {
 opacity: 1;
}

.no-js.backgroundsize .cbp-bislideshow li:first-child img {
 display: block;
}