Styles throwing exception when style keys are duplicated

[taz4270]

Hello. There is a problem with styles where you can't duplicate and i though it needs some work, for example, it lacks !important declaration and this following images will explain better what i mean with duplicated keys and how to workaround:

Problem:

Workaround:

Problem lies here:

https://github.com/luberda-molinet/FFImageLoading/blob/bb675c6011b39ddccecbe6125d1853de81e6396a/source/FFImageLoading.Svg.Shared/Helpers/CssHelpers.cs#L29

Hope I have helped you and I'm here if you want more help