Waves Effect

Waves Effect can be applied to any element. It's enough that the class of element is u-posRelative. You can write any blank element that has waves class in it. It will inherit the element's own border-color and border-radius value, or it shall be black and rectangle. It is recommended to be span.

Examples
<div class="u-posRelative">
  ...
  <span class="waves"></span>
</div>
SPAN SPAN
eye
eye

Nose

body