div.yt_vid_container{
position:relative;
padding-bottom:56.25%;
padding-top:0;
height:0;
overflow:hidden;
background-color:#000;
cursor:pointer;
}

div.yt_vid_container img{
width:100%;
}

div.yt_vid_container div.play_but{
position:absolute;
display:block;
background:url(img/yt_vid_but.png);
background-repeat:no-repeat;
height:48px;
width:68px;
top:50%;
left:50%;
margin:-24px 0 0 -34px;
}

div.yt_vid_container:hover div.play_but{
background:url(img/yt_vid_but_o.png);
}

div#yt_play_but_pre{
background:url(img/yt_vid_but_o.png);
width:0;
height:0;
background-position:-1000px -1000px;
}

div.yt_vid_container iframe,
div.yt_vid_container object,
div.yt_vid_container embed{
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
}