Change the Margin. Instead of positioning, you could just rely on a negative margin for the second element. This affects the flow of content. margin-top: -2em will move an element two em higher, and enable it to overlap another element.
Ankle-foot orthosis: A brace, usually made of plastic, that is worn on the lower leg and foot to support the ankle, hold the foot and ankle in the correct position and correct foot drop. Abbreviated AFO. Also known as foot drop brace.
exclusive provider organization. EPO, A type of managed health care plan that combines features of HMOs and PPOs. it is referred to as exclusive because it is offered to large employers who agree not to contract with any other plan. EPOs are regulated under state health insurance laws.