html 5 website giving different result in chrome and firefox

html 5 website giving different result in chrome and firefox

here is link of website i m developing
http://ashteldemo.com/leonardpatel/index.html it is html 5 based template
site developed using core php site looks fine under fire fox,IE but in
chrome there is vertical line comes at the center of slider area, i am not
able to find whats causing problem
i have tried to solved with help of firebug but was not able to track down
issue
can anyone help me with this ?
here is css code for slider container
#slideshow-container {
background: url("../images/slideshow/bg_slideshow.jpg") no-repeat scroll
center center #999999;
float: left;
margin-bottom: 39px;
overflow: hidden;
position: relative;
width: 100%;
}