diff --git a/apps/pdfeditor/main/resources/img/toolbar/1.25x/thumbnail-big.png b/apps/pdfeditor/main/resources/img/toolbar/1.25x/btn-thumbnail-big.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1.25x/thumbnail-big.png
rename to apps/pdfeditor/main/resources/img/toolbar/1.25x/btn-thumbnail-big.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/1.25x/thumbnail-small.png b/apps/pdfeditor/main/resources/img/toolbar/1.25x/btn-thumbnail-small.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1.25x/thumbnail-small.png
rename to apps/pdfeditor/main/resources/img/toolbar/1.25x/btn-thumbnail-small.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/1.5x/thumbnail-big.png b/apps/pdfeditor/main/resources/img/toolbar/1.5x/btn-thumbnail-big.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1.5x/thumbnail-big.png
rename to apps/pdfeditor/main/resources/img/toolbar/1.5x/btn-thumbnail-big.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/1.5x/thumbnail-small.png b/apps/pdfeditor/main/resources/img/toolbar/1.5x/btn-thumbnail-small.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1.5x/thumbnail-small.png
rename to apps/pdfeditor/main/resources/img/toolbar/1.5x/btn-thumbnail-small.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/1.75x/thumbnail-big.png b/apps/pdfeditor/main/resources/img/toolbar/1.75x/btn-thumbnail-big.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1.75x/thumbnail-big.png
rename to apps/pdfeditor/main/resources/img/toolbar/1.75x/btn-thumbnail-big.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/1.75x/thumbnail-small.png b/apps/pdfeditor/main/resources/img/toolbar/1.75x/btn-thumbnail-small.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1.75x/thumbnail-small.png
rename to apps/pdfeditor/main/resources/img/toolbar/1.75x/btn-thumbnail-small.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/1x/thumbnail-big.png b/apps/pdfeditor/main/resources/img/toolbar/1x/btn-thumbnail-big.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1x/thumbnail-big.png
rename to apps/pdfeditor/main/resources/img/toolbar/1x/btn-thumbnail-big.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/1x/thumbnail-small.png b/apps/pdfeditor/main/resources/img/toolbar/1x/btn-thumbnail-small.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/1x/thumbnail-small.png
rename to apps/pdfeditor/main/resources/img/toolbar/1x/btn-thumbnail-small.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/2.5x/thumbnail-big.svg b/apps/pdfeditor/main/resources/img/toolbar/2.5x/btn-thumbnail-big.svg
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/2.5x/thumbnail-big.svg
rename to apps/pdfeditor/main/resources/img/toolbar/2.5x/btn-thumbnail-big.svg
diff --git a/apps/pdfeditor/main/resources/img/toolbar/2.5x/thumbnail-small.svg b/apps/pdfeditor/main/resources/img/toolbar/2.5x/btn-thumbnail-small.svg
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/2.5x/thumbnail-small.svg
rename to apps/pdfeditor/main/resources/img/toolbar/2.5x/btn-thumbnail-small.svg
diff --git a/apps/pdfeditor/main/resources/img/toolbar/2x/thumbnail-big.png b/apps/pdfeditor/main/resources/img/toolbar/2x/btn-thumbnail-big.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/2x/thumbnail-big.png
rename to apps/pdfeditor/main/resources/img/toolbar/2x/btn-thumbnail-big.png
diff --git a/apps/pdfeditor/main/resources/img/toolbar/2x/thumbnail-small.png b/apps/pdfeditor/main/resources/img/toolbar/2x/btn-thumbnail-small.png
similarity index 100%
rename from apps/pdfeditor/main/resources/img/toolbar/2x/thumbnail-small.png
rename to apps/pdfeditor/main/resources/img/toolbar/2x/btn-thumbnail-small.png