Interesting buttons.

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Initial Dialog Error main.3521b98fc9dc9687077f.js:1:2922565
zUnb/Yd</t.prototype.showDialogIfNecessary$/< https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
error https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
_error https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
error https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
notifyError https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
_error https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
error https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
notifyError https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
_error https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
error https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
i https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
_trySubscribe https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
subscribe https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
a https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
dispatchTimeout https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
_execute https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
execute https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
flush https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
invokeTask https://app.super-productivity.com/polyfills.aebe8ecc43d658291381.js:1
onInvokeTask https://app.super-productivity.com/main.3521b98fc9dc9687077f.js:1
invokeTask https://app.super-productivity.com/polyfills.aebe8ecc43d658291381.js:1
runTask https://app.super-productivity.com/polyfills.aebe8ecc43d658291381.js:1
invokeTask https://app.super-productivity.com/polyfills.aebe8ecc43d658291381.js:1
invoke https://app.super-productivity.com/polyfills.aebe8ecc43d658291381.js:1
0 https://app.super-productivity.com/polyfills.aebe8ecc43d658291381.js:1
Object { message: "Timeout has occurred", name: "TimeoutError", stack: "" }
main.3521b98fc9dc9687077f.js:1:2922603
All affected icons seemed to share <mat-icon> tag, and the texts in dramatically large fonts are the text inside, despite aria-hidden="true"s are written in <mat-icon>s.
Firefox android version worked well. Chrome windows version worked well.
Maybe a bug of firefox windows version?
Solved.
Caused by my custom settings.
If anyone found the same problem:
Also try to check the box at "about:preferences" → Fonts & colors → Advanced → “Allow web pages to use their own fonts instead of the ones chosen above”.
Thank you for sharing your problem and solution! :)
Most helpful comment
If anyone found the same problem:
from audeoudh commented on Aug 1, 2019