ul#ourvideos{
background:#ffffff !important;
list-style:none !important;
overflow:hidden;
margin:0 auto 0 auto;
padding:0;
width:677px;
}

ul#ourvideos li{
background:#ffffff !important;
float:left !important;
width:150px;
height:160px;
text-align:center;
border:1px solid #fff;
}