@-moz-document url-prefix("http://youtube.com/watch"), url-prefix("https://youtube.com/watch"), url-prefix("https://www.youtube.com/watch"), url-prefix("http://www.youtube.com/watch") {
#page.watch #content{
padding-left:13% !important;
}
#yt-masthead-content{
padding-left:22% !important;
}
}

@-moz-document url("http://youtube.com/"), url("https://youtube.com/"), url("https://www.youtube.com/"), url("http://www.youtube.com/") {
#page{
padding-left:20% !important;
}
#yt-masthead-content{
padding-left:22% !important;
}
}