code: function( el, geometry ){
  
              var aabb = geometry.aabb();
  
              el.style.width = (aabb.hw * 2) + px;
              el.style.height = (aabb.hh * 2) + px;
              el.style.marginLeft = (-aabb.hw) + px;
              el.style.marginTop = (-aabb.hh) + px;
              el.style[ borderRadius ] = '50%';
          }
docs: internal
  DomRenderer#circleProperties( el, geometry )
  - el (HTMLElement): The element
  - geometry (Geometry): The body's geometry
  
  Set dom element style properties for a circle.