.navigation {
    width:250px;
}

.navigation {
    float:left;
    margin:10px;
}

.collapsible,
.page_collapsible {
    margin: 0;
    padding:10px 0;
    color: #007bc6;
    font-size: 1.25em;
    /*background: #383838;
    border-top:#999 1px solid;
    font-family: Arial, Helvetica, sans-serif;
    text-decoration:none;
    text-transform:uppercase;
    font-size:1em;*/
}

.collapse-open, .collapse-close {
    background:#fafafa;
    margin-bottom:1em;
}

.collapse-open span {
    display:block;
    float:right;
    padding:10px 20px;
}

.collapse-open span {
    background:url(images/minus.png) center center no-repeat;
}

.collapse-close span {
    display:block;
    float:right;
    background:url(images/plus.png) center center no-repeat;
    padding:10px 20px;
}

code {
    overflow:auto;
}