.container-iframe{position:relative;overflow:hidden;width:100%}[dir] .container-iframe{padding-top:56.25%}.responsive-iframe{position:absolute;top:0;bottom:0;width:100%;height:100%}[dir] .responsive-iframe{border:none}[dir=ltr] .responsive-iframe,[dir=rtl] .responsive-iframe{left:0;right:0}