body
{
background-image:url('congruent_pentagon.png');
background-color:#cccccc;
font-family: arial, sans-serif;
} 

.page {
    width: 400px;
    border: 1px solid grey;
    background-color: #fefefe;
    padding: 15px;
    margin: 20px auto 20px auto;
    -webkit-box-shadow: 0px 6px 8px 0px rgba(50, 50, 50, 0.55);
    -moz-box-shadow:    0px 6px 8px 0px rgba(50, 50, 50, 0.55);
    box-shadow:         0px 6px 8px 0px rgba(50, 50, 50, 0.55);
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
}