body{
  
   margin: 0;
   height: 100vh;
   font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
h1{
    font-size: 5rem;
    margin-top: 3em;
    margin-bottom: .3em;
}
p{
    text-align: center;
    font-size:1rem;
    margin: 0;
}


iframe{
    width: 100%;
    margin-right: auto;
    position: absolute;
    z-index: 2;
    top: 0;
    right: 0;
}

h1,p{
    text-align: center;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
}