#slideshow{
position:absolute;  
max-width: 1280px;
width:100%;
height:580px;
left:0px;
top:85px;
}

.rslides {
position: relative;
list-style: none;
overflow: hidden;
padding: 0;
margin: 0;
}

.rslides li {
position:relative;
-webkit-backface-visibility: hidden;
width: 100%;
height:580px;
background-size:cover;
background-position:center center;  
}

.rslides li:first-child {
position: relative;
display: block;
float: left;
}

@media screen and (max-width: 960px) {
#slideshow, .rslides li {height:480px;}
}


@media screen and (max-width: 680px) {
#slideshow, .rslides li {height:320px;}
}