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diff --git a/gui/icons/grass/cross.png b/gui/icons/grass/cross.png
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diff --git a/gui/icons/grass/exclamation-mark.png b/gui/icons/grass/exclamation-mark.png
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diff --git a/gui/icons/grass/question-mark.png b/gui/icons/grass/question-mark.png
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diff --git a/gui/icons/grass/success.png b/gui/icons/grass/success.png
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diff --git a/gui/icons/grass/time-period.png b/gui/icons/grass/time-period.png
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