l block boxes establish a containing block for descendant boxes." />
        <style type="text/css">* { margin: 0; padding: 0 }
            div
            {
                background: blue;
                height: 1in;
                position: absolute;
                width: 1in;
            }
            div div
            {
                background: orange;
                bottom: 0;
                height: 0.25in;
                right: 0;
                width: 0.25in;
           