.responsive-video iframe{position:absolute;top:0;left:0;width:100%;height:100%}.responsive-video{position:relative;padding-bottom:56.25%;padding-top:0px;height:0;overflow:hidden}@media screen and (min-width:981px){.sub-menu{min-width:300px}#top-menu li li a{width:260px;padding:4px 12px}}