Solo tienes que ver la forma que toman las burbujas.
Primera burbuja:
John SmithWorks great for blog comments!
Customize colors and styling to your taste from within the CSS, then simply edit the pointer tip image. Works on any background to fit with your design.
Expands to fit any layout and scales nicely with big and small font sizes.
Solo observa la forma que toma el menú
Vertical CSS MenúObserva la forma que toma el menú