img {
    display: block;
    margin-top: 75px;
    margin-left: auto;
    margin-right: auto;
    width: 750px;
}
p {
    width: auto;
    padding-top: 75px;
    margin-left: auto;
    margin-right: auto;
    font-family: 'Times New Roman', Times, serif;
    color: black;
    text-align: center;
    font-weight: bold;
    font-size: large;
}
h1 {
    width: 1000px;
    font-family: Arial, Helvetica, sans-serif;
    padding-top: 75px;
    color: black;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
h3 {
    width: 400px;
    font-family: Arial, Helvetica, sans-serif;
    padding-top: 75px;
    color: darkslategrey;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
h2 {
    width: 500px;
    font-family: Arial, Helvetica, sans-serif;
    padding-top: 75px;
    color: indigo;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
iframe {
    width: 560px;
    height: 315px;
    margin-left: 470px;
}