How to Modify the Quick Settings Background Color and Alpha on EMUI 5 [Root]

Although OEMs such as Huawei offer their own theme managers, there are often elements (often related to the System UI) that cannot be altered by third-party themes. When you have root access on your device, though, you can bypass these restrictions and modify whatever you want. If you are on a Huawei or Honor device running EMUI 5, then check out this guide by XDA Recognized Contributor StrangerWeather that teaches you how to modify the background color and transparency of the quick settings.