@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document  url("http://www.youtube.com/"), 
                url("http://youtube.com/"),
                url("https://www.youtube.com/"),
                url("https://youtube.com/") 
{
    div#masthead, div#masthead-expanded-container, div#content {
        width: 1500px !important;
    }
    div#masthead-expanded-lists-container {
        width: auto !important;
    }
    div#feed {
        width: 1000px !important;
        background-color: white !important;
    }
    div.individual-feed li.feed-item-child {
        height: auto !important;
    }
    div.individual-feed li {
        height: 135px !important;
    }
    div.feed-container li {
        width:500px;
        background-color: white !important;
        overflow: hidden;
    }
    div.feed-container li:hover,
    div.feed-container li:nth-child(odd):hover {
        overflow: auto;
    }
    div.feed-container li:nth-child(odd) {
        position:absolute;
        right:0px;
    }
    div.feed-container li{
        z-index: 1 !important;
    }
    button.feed-load-more span.spinner {
        margin-top: 50px !important;
    }
    button.feed-load-more {
        margin-top: 125px !important;
        z-index: 99 !important;
    }
    div#footer-container,
    div#guide-builder-promo,
    div.guide div:nth-of-type(3),
    div.guide div:nth-of-type(4),
    div.guide-item-container span.show-more,
    div#video-sidebar > h3,
    div.yt-alert-info
    {
        display: none !important;
    }
    div#channel {
        border-top-left-radius: 5px !important;
    }
    div.guide li.hideable {
        display: inline !important;
    }
    ul.user-feed-filter-container li {
        height: auto !important;
    }
    div.feed-header {
        margin-bottom: 11px !important;
    }
    div.feed-item-outer {
        padding-top: 4px !important;
        padding-bottom: 4px !important;
    }
}