Hi there,
We are really serious with your project.
We have been working on Javascript, CSS, Wordpress, PHP, HTML, HTML5 for a long time and confident with the project that you've provided. We are sure that we'll do it with highest quality.
We also have been using GitHub and Trello for project management.
Contact us anytime if you have any queries related to the task, even after having it done. Note that we work in teams so timing and quality are things that we can ensure.
Hope to get to you soonest. Contact me asap for more discussions on Skype and Trello.
Regards.