A vanilla form won't submit the data until the user chooses, but they are the minority.
Implementations [ ] There are several free and commercial solutions available, such as:•.
The closer a rule is to the content being styled, the higher its precedence.
Node reliability [ ] HA clusters usually use all available techniques to make the individual systems and shared infrastructure as reliable as possible.
Order of Precedence for CSS Rules by Ron Kurtus revised 13 May 2017 An interesting aspect of Cascading Style Sheets CSS is that the order in which the rules are stated determines which ones take precedence in cases of conflict or repetition.
They are still supported, but we recommend using the groups as described above.