HTML select with options blows up the fieldset

It happens when the content of select option is longer than select input width and therefor it resizes the fieldset.

Here’s the detailed description:

https://stackoverflow.com/questions/17408815/fieldset-resizes-wrong-appears-to-have-unremovable-min-width-min-content/17863685

Solution

The solution is to add max-width: 0 to the fieldset.