##<x-bem-behavior>
Polymer behavior. Use <x-bem-behavior>
to quickly compute BEM classnames.
<div class$="{{bemClass('block-name')}}">
Default block text is black.
<div class$="{{bemClass('block-name', 'element-name')}}">
Block children text is blue.
</div>
</div>
<div class$="{{bemClass('block-name', '', 'modifier')}}">
Special block text is green.
</div>
##Install
bower install --save x-bem-behavior