TYPO3 Core

If I click on the page module, select any page, select "language comparison" on the top select box (not necessary but easier to see), then click on an element edit button and close it via the "x" button on the top again. After that you can see in the content section between the header of the current page and the each language labels an css overflow. See screenshot below.

If I reload the backend module everything seems correct again.

• Typo3 v12.4.1
• PHP 8.1
• Chrome Version 113.0.5672.63 (Official Build) (64-bit)

Hint
I think the problem lies here with this calc rule, because if I simply deactivate and activate it, it works again.

.t3-grid-container-inner {
    margin: calc(var(--pagemodule-grid-spacing) * -1);
}