iconColor not working for box when light or seamless is enabled

[yucheng11122017]

Please confirm that you have searched existing issues in the repo

Yes, I have searched the existing issues

Any related issues?

No response

Tell us about your environment

Windows 10

MarkBind version

V4.1.0

Describe the bug and the steps to reproduce it

Code to reproduce issue:

<box type="info" seamless icon-color="red"> 
hi
</box>
<box type="info" light icon-color="red"> 
hi
</box>

Source code causing the problem:
When light or seamless is enabled, an additional class is added to the wrapper of the icon (code).
Eg. text-info is added to the icon-wrapper.

The CSS has !important leading it to override the inline CSS for color.
CSS for text-info:

Expected behavior

Expected for iconColor in box to be red it is still blue

Anything else?

No response