ght: 300px;
                position: relative;
                width: 300px;
                overflow: auto;
            }
            div div
            {
                background: blue;
                height: 150px;
                margin-bottom: 50px;
                margin-top: 50px;
                position: absolute;
                top: 50px;
                width: 50%;
            }
            #div2
            {
                bottom: 50px;
            }

		/*

		50px : top
	+
		50px : margi