html {
    font-family: Arial, Helvetica, sans-serif;
}

div img {
    width:70%;
}

div {
    text-align: center;
}

iframe {
    width: 85%;
    height: 1000px;
}
h1{
    margin-top: 85px;;
    margin-top: 100px;
    font-size: 35px;
}

button {
    color: white;
    background-color: black;
    border: none;
    padding: 10px;
    border-radius: 10%;
    font-size: 21px;
}

footer div a {
    color: black;
}