template.jade

#my-styled-component(style="display:none;")
  p Hello!
  span this is a component that needs css to be properly shown.

script.
  window.oc = window.oc || {};
  oc.cmd = oc.cmd || [];

  oc.cmd.push(function(oc){
    oc.require('#{staticPath}css/style.css', function(){
      $('#my-styled-component').css('display', 'block');
    });
  });