.demo{position:relative;width: 905px;border:#000 0px solid;}
.viewport{width: 905px;overflow:hidden}
.viewport ul{position: relative;padding: 0;margin: 0}
.viewport li{cursor:pointer;width: 225px;height: 125px;float: left;list-style: none;margin: 0;padding: 0;text-align:center;position:relative; margin-bottom:3px; margin-right:2px}
.simplePrevious{opacity:0.4;filter:alpha(opacity=40); /* For IE8 and earlier */cursor: pointer;font-size: 0.8em;text-decoration: underline;position:absolute;top:20px;left:10px;z-index:99999}
.simpleNext{opacity:0.4;filter:alpha(opacity=40); /* For IE8 and earlier */cursor: pointer;font-size: 0.8em;text-decoration: underline;position:absolute;top:20px;right:10px;z-index:99999}
.simpleNext:hover{opacity:1;filter:alpha(opacity=100); /* For IE8 and earlier */}
.simplePrevious:hover{opacity:1;filter:alpha(opacity=100); /* For IE8 and earlier */}