Merge pull request #1 from brycec/master

?

index.html

@@ -56,7 +56,7 @@ <h1><a href="http://en.wikipedia.org/wiki/Lambda_calculus">λ</a> machine <small
 <small>
   <em>
     <p>
-      This a universal machine, using the simply typed lambda calculus, visualized as a tree with d3.js.
+      This is a universal machine, using the simply typed lambda calculus, visualized as a tree with d3.js.
       # is an abstraction. @ is application. Numbers are variables.
     </p>
     <p>
@@ -217,7 +217,8 @@ <h1><a href="http://en.wikipedia.org/wiki/Lambda_calculus">λ</a> machine <small
       .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
       .attr("x", function(d) { return d.children || d._children ? -10 : 10; })
       .text(function(d) { return d.name; })
-      .style("fill-opacity", 1);
+      .style("fill-opacity", 1)
+      .style("font-size", function (d) { return d.children ? '2em' : '3em'; });
 
   // Transition exiting nodes to the parent's new position.
   var nodeExit = node.exit().transition()
@@ -388,4 +389,4 @@ <h1><a href="http://en.wikipedia.org/wiki/Lambda_calculus">λ</a> machine <small
   }, true);
 }
 
-</script>
+</script>