/* Use for ex_1-1_seling page */
body {
    width: 650px;
    margin: 0 auto;
    background: #000;
    color: #FFF;
    font: 12px sans-serif;
    }

h1 {
    font-size: 24px;
    }

h2 {
    font-size: 18px;
    margin-top: 0;
    }

a {
    color: #FFF;
    }

a:focus,
a:hover {
    text-decoration: none;
    }   
table {
    margin-bottom: 10px;
    border-spacing: 0;
    }

caption {
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: bold;
    text-align: left;
    }

th,
td {
    padding: 0 10px 0 0;
    text-align: left;
}

.planet {
    margin: 10px 0;
    padding: 20px 20px 20px 200px;
    border: 1px solid #FFF;
    background-position: 20px 20px;
    background-repeat: no-repeat;
    }

.jupiter {
    background-image: url(jupiter.jpg);
    }
    
.neptune {
    background-image: url(neptune.jpg);
    }

.saturn {
    background-image: url(saturn.jpg);
    }

.uranus {
    background-image: url(uranus.jpg);
    }