JSFiddle - React, Tailwind, and code Playground

HTML

<html lang='en'>
  <head>
    <meta charset='utf-8' />
    <link href='css/1140.css' media='screen' rel='stylesheet' type='text/css' />
    <link href='css/styles.css' media='screen' rel='stylesheet' type='text/css' />
    <link href='css/thing.css' media='screen' rel='stylesheet' type='text/css' />
    <link href='css/screen.css' media='screen, projection' rel='stylesheet' type='text/css' />
    <link href='css/print.css' media='print' rel='stylesheet' type='text/css' />
    <!-- / [if IE] -->
    <!-- /  <link href="/css/ie.css" media="screen, projection" rel="stylesheet" type="text/css" /> -->
    <!-- / [endif] -->
    <script src='js/css3-mediaqueries.js' type='text/javascript'></script>
    <script src='js/jquery-1.6.3.js' type='text/javascript'></script>
    <script type='text/javascript'>
        $(document).ready(function() {
          $(".left-col").click(function() {
            console.log("right-col clicked");
            $(".left-col").toggleClass("closed");
          });
        });
    </script>
  </head>
  <body>
    <div class='container'>
      <div class='header'>Header</div>
      <div class='main-content'>
        <div class='left-col debug'>Left Panel</div>
        <div class='right-col debug'>Right Panel</div>
      </div>
    </div>
    <div class='footer'>Footer</div>
  </body>
</html>

CSS

/* line 10, ../../../../.rvm/gems/ruby-1.9.2-p290/gems/compass-0.11.5/frameworks/compass/stylesheets/compass/layout/_sticky-footer.scss */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

/* line 12, ../../../../.rvm/gems/ruby-1.9.2-p290/gems/compass-0.11.5/frameworks/compass/stylesheets/compass/layout/_sticky-footer.scss */
#container {
  clear: both;
  min-height: 100%;
  height: auto !important;
  height: 100%;
  margin-bottom: -150px;
}
/* line 18, ../../../../.rvm/gems/ruby-1.9.2-p290/gems/compass-0.11.5/frameworks/compass/stylesheets/compass/layout/_sticky-footer.scss */
#container #left-col {
  height: 150px;
}

/* line 20, ../../../../.rvm/gems/ruby-1.9.2-p290/gems/compass-0.11.5/frameworks/compass/stylesheets/compass/layout/_sticky-footer.scss */
#footer {
  clear: both;
  position: relative;
  height: 150px;
}

/* line 12, ../sass/thing.sass */
html, body {
  min-height: 400px;
  min-width: 800px;
  height: 100%;
}

/* line 17, ../sass/thing.sass */
.header {
  background: #999999;
  height: 50px;
  box-shadow: 0 4px 6px #554433;
}

/* line 22, ../sass/thing.sass */
.footer {
  background: #ffdddd;
  clear: both;
  z-index: 10;
  height: 150px;
}

/* line 28, ../sass/thing.sass */
.container {
  padding: 0px;
  width: 100%;
  min-height: 100%;
  margin: 0 auto -150px;
}

/* line 34, ../sass/thing.sass */
.main-content {
  display: -moz-box;
  display: -webkit-box;
  display: -ms-box;
  display: box;
  -moz-box-orient: horizontal;
  -webkit-box-orient: horizontal;
  -ms-box-orient: horizontal;
  box-orient: horizontal;
  position: absolute;
  bottom: 150px;
  top: 50px;
  left: 0;
  right: 0;
  width: 100%;
}

/* line 38, ../sass/thing.sass */
.left-col {
  width: 250px;
  -moz-box-flex: 1;
  -webkit-box-flex: 1;
  -ms-box-flex: 1;
  box-flex: 1;
  -moz-transition-property: width;
  -webkit-transition-property: width;
  -o-transition-property: width;
  transition-property: width;
  -moz-transition-duration: 500ms;
  -webkit-transition-duration:...