anchor.diff: -<%#= link_to "clear bubbles", "/clearbev", :method => :post %>
  -<%= button_to "Clear Bubbles", clearbev_path, :class => "clearbev", :remote => true, :method => :delete %>
  -<%= button_to "Refresh Bubbles", beverage_path, :method => :get %>
  -
   <script src="http://d3js.org/d3.v3.min.js"></script>
   <style>
   
  
positive.code: 
  </script>
  
  
negative.code: //   console.log(child);
  // }
  
  // // Returns a flattened hierarchy containing all leaf nodes under the root.
  // function classes(root) {
  //   var classes = [];
  
  //   function recurse(name, node) {
  //     if (node.children) node.children.forEach(function(child) { recurse(node.name, child); });
  //     else classes.push({packageName: name, className: node.name, value: node.size});
  //   }
  
  //   recurse(null, root);
  //   return {children: classes};
  // }
  
  // d3.select(self.frameElement).style("height", diameter + "px");
  
  // end d3
  
  