@charset "utf-8";
* { margin:0; padding:0; }
body {
    font-family:Arial, Helvetica, sans-serif;
    font-size: 14px;
    color:#000;
    background:#eee;
}
h1, h2, h3, h4 {
    font-weight: normal;
    margin: 25px 0 15px 0;
}
h2 {
    font-size: 20px;
}
h4 {
    line-height: 20px;
}
p {
    line-height: 18px;
    margin: 10px auto;
}
.content {
    width:80%;
    background: #fff;
    margin:0 auto;
    border-top: none;
    padding: 20px;
}
.navigation {
    margin-bottom: 10px;
}
.navigation a {
    font-size: 15px;
    color:darkcyan;
    border-bottom: solid 1px darkcyan;
    text-decoration:none;
    padding:15px 35px;
    display:inline-block;
}
.navigation a:hover, .navigation a.active {
    background-color:darkcyan;
    color:#fff;
}
.features {
    margin: 0 20px;
}
.features li {
    margin-bottom: 5px;
}
table {
    border:none;
    border-collapse:collapse;
    width:100%;
}
table td {
    border:solid 1px #ccc;
    padding:10px;
    vertical-align:top;
    line-height:20px;
}
table td.demo span {
    display:inline-block;
    background-color:darkcyan;
    color:#fff;
    cursor:pointer;
    padding:2px 10px;
    text-decoration:none;
}
.structure {
    width: 80%;
    height: 400px;
}