*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html,
body{
    width:100%;
    height:100%;
    overflow:hidden;
    background:#000;
}

#intro-video{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    object-fit:cover;
    background:#000;
}
#playBtn{
    position:fixed;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    padding:18px 45px;
    font-size:24px;
    font-weight:700;
    color:#000000;
    background:#e60023;
    border:none;
    border-radius:50px;
    cursor:pointer;
    z-index:9999;
    transition:.3s;
}

#playBtn:hover{
    transform:translate(-50%,-50%) scale(1.08);
    background: #000000;
    color:#cf001f;
}


#intro-video{
    position:fixed;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    background:#000;
}