jQuery-style css selector for d3 library

d3-css.js

// D3: a data visualization library for javascript --http://mbostock.github.com/d3/
// Allows you to set multiple css properties at once
// Add this into the d3 source. Use like this d3.select('p').css({ color: 'red', 'font-size': '24px' });

d3_selectionPrototype.css = function(args) {
  for (var key in args) {
    var val = args[key]
    this.style(key, val)
  }
}