#navigation {
    width:250px;
}

#content {
    width:700px;
}

#navigation,
#content {
    float:left;
    margin:10px;
}

.collapsible,
.page_collapsible {
    margin: 0;
    padding:10px;
    border-top:#f0f0f0 1px solid;
    text-decoration:none;
    color: black;
    font-size:1em;
	font-weight: bold;
	cursor:pointer;
}

.collapse-open {
    background:#8FA9D8;
    color: #fff;
	font-weight: bold;
}

.collapse-open span {
    display:block;
}

.collapse-open span {

}

.collapse-close span {
    display:block;
}

div.container {
    margin:0;
}

div.content {
    background:#f0f0f0;
    margin: 0;
    padding:10px;
    font-size:.9em;
    line-height:1.5em;
}

div.content ul, div.content p {
    margin:0;
    padding:3px;
}

div.content ul li {
    list-style-position:inside;
    line-height:25px;
}

div.content ul li a {
    color:#555555;
}

code {
    overflow:auto;
}
.header {
	font-size: 16px;
    color: #000;
	font-weight: bold;
	padding: 8px;
	text-align: center;
	 margin-bottom: 0px;

}
.content {
	padding: 5px;
	line-height: 12px;
}
.problem_title_anchor {
	margin-top: 20px;
}
.problem_title_anchor a {
	text-decoration: none;
	font-size: 15px;
}