h1 {
    text-align: center;
    background-color: cadetblue;
    color: maroon;
}
h3 {
    text-align: center;
    color: dimgrey;
}
body {
    background-color: paleturquoise;
}

p {
    border: 3px solid darkgoldenrod;
    padding: 5px;
    border-radius: 5px;
    height: 80px;
}

a {
    display: block;
    text-align: center;
}

button {
    background-color: rgb(16, 87, 209);
    color: white;
    width: 100px;
    height: 40px;
}

a:visited {
    color: green;

}

a:hover {
    color: crimson;

}

img {
    display: block;
    /*margin-left: auto;
    margin-right: auto;*/
    margin: auto;
    width: 50%;
}

.imgpos {
    height: 400px;
    border-style: none solid solid solid;
    border-width: 3px;
    border-color: darkgoldenrod;
    border-radius: 5px;
}

#buttonBox {
    text-align: center;
}