#top {
    background-color: #ccc;
    padding: 1em
}

#top h1 {
    color: #ff0;
}

#top p {
    color: red;
    font-weight: bold;
}

a:link {
    color: blue;
}

a:visited {
    color: purple;
}

<p style="background-image: url('img_girl.jpg');">

h1 {
    text-align: centre;
}


h2 {
    font-size: 1.5em;
    background-color: #B8E5B8;
    margin: 20px;
    padding: 40px;
    text-align: center;
}


body {
      text-align: center;
}