button_bold.png
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Source : https://commons.wikimedia.org/wiki/File:Button_bold_ukr.png
License: Public domain
Author : Alexey Belomoev

button_italic.png
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Source : https://commons.wikimedia.org/wiki/File:Button_italic_ukr.png
License: Public domain
Author : Alexey Belomoev

button_link.png
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Source : https://commons.wikimedia.org/wiki/File:Button_internal_link_ukr.png
License: GPL
Author : Saproj, Erik Möller