Hi,
I found W3 Total Cache running on your website, please flush W3 Total Cache to check.
If it doesn’t work.
Please try to replace the 2 files by FTP:
1, Download the zip file, unzip it
2, login FTO, replace the 2 files:
/wp-content/themes/arnold/img/arrow_left.png
/wp-content/themes/arnold/img/arrow_right.png
Please flush website cache(W3 Total Cache or other cache plugins), and your browser cache.
Regards!
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