body{ margin:0;padding:0; background-color:#FFF;}
.back_button a:link {color:#555; font-weight:bold;text-decoration:none;}
.back_button a:visited {color:#555;font-weight:bold;text-decoration:none;}
.back_button a:hover{ color: #e2001a;font-weight:bold;text-decoration:none;}
.back_button a:active {color:#555;font-weight:bold;text-decoration:none;}
.back_button{position:fixed; top:5px; left:5px;}
.video{border:1px solid #555; padding:3px;}
.wrapper_video{width:80%;position:absolute;left:10%;top:2px;}

@media only screen and (max-width: 1200px)
{
	.wrapper_video{width:80%;position:absolute;left:10%;top:40px;}
	.back_button{position:fixed; top:40px; left:5px;}
}