html {
    background-color: #eeeeee;
    background-image: linear-gradient(bottom, rgb(238,238,238) 18%, rgb(153,153,153) 59%, rgb(238,238,238) 80%);
    background-image: -o-linear-gradient(bottom, rgb(238,238,238) 18%, rgb(153,153,153) 59%, rgb(238,238,238) 80%);
    background-image: -moz-linear-gradient(bottom, rgb(238,238,238) 18%, rgb(153,153,153) 59%, rgb(238,238,238) 80%);
    background-image: -webkit-linear-gradient(bottom, rgb(238,238,238) 18%, rgb(153,153,153) 59%, rgb(238,238,238) 80%);
    background-image: -ms-linear-gradient(bottom, rgb(238,238,238) 18%, rgb(153,153,153) 59%, rgb(238,238,238) 80%);
}

body {
    margin: 0 auto;
    padding: 2em;
    max-width: 800px;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5em;
    color: #333333;
    background-color: #ffffff;
    -webkit-box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
    -moz-box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.4);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3em;
}

samp
{
    /* hide <samp> from the browser so we can show cool features in Edge Code */
    display: none;
}

img
{
    background: dimgray;
    border: 1px solid black;
    border-radius: 2px;
    padding: 15px 10px 10px;
    margin: 10px 0;
    max-width: 95%;
}