* {
    margin: 0;
    padding: 0;
    outline: 0;
    font-size: 100%;
    background-color: lightgreen;
    text-transform: lowercase;
    color: darkgreen;
}

html {
    background-image: url(background153.gif);
    background-repeat: repeat-x;
}

body {
    background-color: transparent;
}

a {
    color: darkgreen;
    text-decoration: none;
    background-color: transparent;
}

h1 {
    margin-top: 100px;
    margin-bottom: 10px;
    text-align: center;
    font-size: 20px;
    background-color: transparent;
}

main {
    margin: 0 20% 0 20%;
    display: block;
    align-items: center;
    border-style: solid;
    border-width: 1px;
    border-color: darkgreen;
    text-align: center;
    height: 500px;
}

h2 {
    margin-top: 10px;
}

embed {
    overflow: scroll;
    height: 450px;
}