Hello Juan Pablo,
Thank you for your question.
Using the Visual Style Builder
you can create a custom theme for you button as well. Navigate to the BorderPrimitive
in the tree on the left, then from the tool window on the right change the ForeColor
(s) to some color, including transparent. If this does not help, please let us know what exactly is not working in your case. Feel free to send us the theme as well.
the Telerik team
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