body{
    background-color:grey;
}

iframe{
    width: 85%;
    height: 750px;
    border: none;
    overflow: hidden;
    margin: 0 auto;
    display: block;
}

h1{
    text-align: center;
    margin-top: 25px;
}

h2{
    text-align: center;
    margin-top: 25px;
}