diff --git a/docs/static/configurations/chrome-version.PNG b/docs/static/configurations/chrome-version.png
similarity index 100%
rename from docs/static/configurations/chrome-version.PNG
rename to docs/static/configurations/chrome-version.png
diff --git a/docs/static/configurations/edge-version.PNG b/docs/static/configurations/edge-version.png
similarity index 100%
rename from docs/static/configurations/edge-version.PNG
rename to docs/static/configurations/edge-version.png
diff --git a/docs/static/configurations/firefox-version.PNG b/docs/static/configurations/firefox-version.png
similarity index 100%
rename from docs/static/configurations/firefox-version.PNG
rename to docs/static/configurations/firefox-version.png
diff --git a/docs/static/configurations/ie-version.PNG b/docs/static/configurations/ie-version.png
similarity index 100%
rename from docs/static/configurations/ie-version.PNG
rename to docs/static/configurations/ie-version.png
diff --git a/docs/static/configurations/windows-version.PNG b/docs/static/configurations/windows-version.png
similarity index 100%
rename from docs/static/configurations/windows-version.PNG
rename to docs/static/configurations/windows-version.png