If you tap Indoor temperature twice, all meters will disappear and it shows only background image. This is tested with Raspberry Pi + Chromium and with Windows 10 + Edge Chromium.
it seems to be related to this issue which is fixed in the branch deploy_script (not yet available in master branch but for the next release) https://github.com/Gulivertx/cbatmo/issues/31
If you tap Indoor temperature twice, all meters will disappear and it shows only background image. This is tested with Raspberry Pi + Chromium and with Windows 10 + Edge Chromium.