.toc_container {
    background: #f9f9f9;
    border: 1px solid #aaa;
    padding: 10px;
    margin-bottom: 1em;        
    left: 67%;        
    font-size: 95%;
    float: right;    
    position: fixed;
}

body {
	margin-left: 5%;
	margin-right: 35%;
	background-color: lightyellow;
}

.center-align {
	text-align: center;
}

.code {
	background-color: white;
	border: 1px solid black;
	padding: 10px;
}