media="all".ow_video_list_item {

1. float: left;
2. height: 70px !important;
3. max-height: 185px !important;
4. padding: 10px;
5. width: 150px !important;
6. background: url("") no-repeat scroll 0 0 transparent !important;

}

I want to find this css file. but I don't know where.