body {
    background-color: black;
    color: white;
    font-family: "Trebuchet MS", Helvetica, sans-serif;
}

#menu {
    margin: 0;
    padding: 0;
}

#watermark {
    z-index: -1;
    width: 90%;
    height: 90%;
    top: 5%;
    left: 5%;
    position: absolute;
}

#menu li {
    float: left;
    border: 0px solid white;
    list-style-type: none;
}

#menu li a {
    color: white;
    border: 0px solid white;
    text-decoration: none;
    padding: 3px;
}

#menu li a:hover {
    text-decoration: none;
    border: 1px solid #333;
    background-color: white;
    color: black;
}

#menu li h2 {
    margin: 0;
    padding: 0;    
}

#menu-title {
    width: 700px;
    text-align: left;
}

#menu-info {
    width: 90px;
    text-align: center;
}

#menu-source {
    width: 100px;
    text-align: center;
}

#title {
    top: 50%;
    left: 50%;
    position: absolute;
    width: 896px;
    height: 50px;
    margin: -302px 0 0 -448px;
    border: 0;
    color: white;
}

#header {
    top: 5px;
    left: 5px;
    position: absolute;
    font-size: 0.8em; 
}

#footer {
    right: 20px;
    bottom: 20px;
    position: absolute;
    font-size: 1.0em; 
}

#footer a {
    color: #7690c9;
    text-decoration: none;
}

.content-block {
    top: 50%;
    left: 50%;
    margin: -252px 0 0 -448px;
    width: 896px;
    height: 504px;
    position: absolute;
    border: 0px solid white;
}

#container {
    display: block;
    text-align: center;
    width: 894px;
    border: 0px dashed gray;
}

#jxgbox {
    float: none;
    background: none;
}

#explanation {
    display: none;
    height: 500px;
    overflow: auto;
}

#source {
    display: none;
}

.jxgbox {
    background-color: black;
    border: 3px #222 double;
}

a img {
    border: 0;
}

a {
    color: #7690c9;
    text-decoration: none;
    font-family: "Trebuchet MS", Helvetica, sans-serif;
}

.jxgbox a {
    font-size: 1.5em;
/*    border: 1px white solid;
    background-color: #333;*/
    padding: 3px;
}

.syntaxhighlighter {
    height: 500px;
    overflow: auto;
}
/*.jxgbox a:hover {
    border: 1px #333 solid;
    background-color: white;
    color: black;
}*/

button {
    background-color: black;
    border: 0px white solid;
    color: white;
    cursor: pointer;
}

button:hover {
    color: black;
    background-color: white;
}

ul.list-2c {
    list-style-type: none;
    margin-left: -20px;
}