[Improvement] Better variable checking for the thumbnail size to apply
[Improvement] Now using case/switch and else if when it's more appropriate to improve the readability of the code
[Feature] Added support for yFrog images
Added mechanism to allow "blurred modals" (basically added a few dismiss panels in the modals)
Added the required styling for blurred modals
Added option for blurred modals in the Settings
Blur effect now apply with non-media modals
The effect is now blur+0% saturation+scale