function flipCover (css, options) {
  var options = options || {};

  if (typeof css === "object") {
    options = css;
  } else {
    options.css = css;
  }

  var css =    options.css;
  var url =    options.url;
  var text =   options.text || css;
  var width =  options.width;
  var height = options.height;

  var $section = $(".flip-cover-" + css).addClass(css + "-section");
  var $button =  $("<div>").addClass(css + "-button");
  var $cover =   $("<div>").addClass(css + "-cover");
  var $outer =   $("<div>").addClass(css + "-outer");
  var $inner =   $("<div>").addClass(css + "-inner");

  if (width) {
    $section.css("width", width);
  }

  if (height) {
    $section.css("height", height);

    var lineHeight = ':after{ line-height: ' + height + ';}';
    var $outerStyle = $('<style>').text('.' + css + '-outer' + lineHeight);
    var $innerStyle = $('<style>').text('.' + css + '-inner' + lineHeight);
    $outerStyle.appendTo($outer);
    $innerStyle.appendTo($inner);
  }

  $cover.html($outer);
  $inner.insertAfter($outer);

  $button.html($("<a>").text(text).attr("href", url));

  $section.html($button);
  $cover.insertAfter($button);
 };