body {
    background-color:beige;
    text-align: center;
}
h1 {
    background-color:blue;
    color: white;
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    padding: 36px;
}
p   {
    background-color:gray;
    border: 12px brown;
    font-family: Arial, Helvetica, sans-serif;
    padding: 12px;
    margin: 25px 120px 25px;
}
img {border: 8px solid blue}
pre {
    color: blue;
    padding: 36px;
}

a:link, a:visited {
background-color: white;
color: black;
border: 2px solid white;
padding: 10px 20px;
text-align: center;
text-decoration: none;
display: inline-block;
border-radius: 6px;
}

a:hover, a:active {
background-color: black;
color:yellow;

}