Sidebar se rogne lorsque la page a peu de contenu

#sidebar
	{
		background-color: #364050;
		background-image: url('images/bg1.png');
		color: #929da4;
		text-shadow: -1px -1px 0px rgba(0,0,0,0.5);
	}

		#sidebar form input,
		#sidebar form select,
		#sidebar form textarea
		{
			border: 0;
		}

		#sidebar section,
		#sidebar nav
		{
			 position: relative;
		}

			#sidebar section:before,
			#sidebar nav:before
			{
				content: '';
				border-top: solid 1px;
				border-bottom: solid 1px;
				border-color: #171E29;
				border-color: rgba(0,0,0,0.25);
				box-shadow: inset 0px 1px 0px 0px rgba(255,255,255,0.075), 0px 1px 0px 0px rgba(255,255,255,0.075);
				display: block;
			}
	
		#sidebar strong, #sidebar b
		{
			color: #fff;
		}
	
		#sidebar a
		{
			color: #d4dde0;
		}
		
		#sidebar h2,
		#sidebar h3,
		#sidebar h4,
		#sidebar h5,
		#sidebar h6
		{
			color: #fff;
		}