html {
    background: url(waterb.jpg) no-repeat center center fixed;
    -moz-background-size: cover;
        -webkit-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

<style>
div {
    border: 1px solid gray;
    padding: 8px;
}

h1 {
    text-align: center;
    text-transform: uppercase;
    color: #4CAF50;
}

p {
    text-indent: 50px;
    text-align: justify;
    letter-spacing: 3px;
}

a {
    text-decoration: none;
    color: #008CBA;
}
</style>