.bgcontainer{z-index:10;position:fixed;left:0;top:0;right:0;bottom:0;margin:auto;}.bgcontainer iframe{position:fixed;left:0;top:0;width:100%;height:100%;margin:auto;}.bgcontainer .closebtn{z-index:12;position:fixed;right:5rem;top:2rem;color:#fff;font-size:3rem;cursor:pointer;}.bgcontainer .closebtn:hover{color:#f00;}.bgcontainer .closebtn[tt]:hover::before{left:-16.9rem;top:0;bottom:0;min-width:13rem;}.bgcontainer .closebtn[tt]:hover::after{top:.9rem;left:-1.6rem;border-color:transparent transparent transparent #E91E63;}        *[tt]{display:inline-block;font-weight:normal;vertical-align:bottom;padding-bottom:.2rem;cursor:help;color:#007;position:relative;z-index:1;    }    *[tt]:hover::before{    content:attr(tt);    position:absolute;    left:-1rem;    bottom:3rem;    min-width:20rem;    text-align:center;    background:#333;    color:#fff;    font-size:1.1rem;    font-weight:normal;    padding:1rem;    border:.2rem solid #fff;    border-radius:.5rem;    text-decoration:none;    white-space:pre;    }    *[tt]:hover::after{    content:"";    position:absolute;    top:-1.1rem;    left:.2rem;    border-width:1.0rem;    border-color:#E91E63 transparent transparent transparent;    border-style:solid;    }