Fresh Custom Code - CSS/JS/PHP - WordPress Plugin

Description:

Add custom CSS, LESS, JS and PHP code to any WordPress page without rewriting your themes and therefore losing the ability to update them

You can limit where will your Custom Code be used. For example you can only use your code on a single post that has a Post Format Video. Or you can limit your code to a specific theme, that’s useful if you switch themes a lot.

Professional Ace text editor with Emmet toolkit which lets you write your CSS code faster by expanding abbreviated CSS properties into their full form. More info can be found in their own cheatsheet (scroll down to CSS section). To quickly try Emmet type bgc into the editor and hit TAB key. It should expand to background-color