Based on your description that you “created a front-page.php and added the following” and also that there is markup in that file, you are hooking too late. You should be both registering and enqueueing on wp_enqueue_scripts but that isn’t the problem here. The problem is that by the time you try to hook, the hooks … Read more
Although @TheDeadMedic is technically correct and you can’t rename the themes folder. You CAN change some of the public facing urls. For example, you can make a new folder assets/new-themes and add your CSS, and images there. Then make a theme include your styles.css (which can be just the header info) and anytime in your … Read more
This is a very subjective question — though a very good and interesting one, and I’ll try to provide my personal view on this. In general, you should always try to adhere to the WordPress Coding Standards. The only exception to this is when you’re changing existing code. Basically, when you’re editing an existing “product” … Read more