What does !important mean in CSS? Is it available in CSS 2? CSS 3? Where is it supported? All modern browsers?
Using the !important keyword in CSS is a way to prevent other meddlesome programs from taking liberties to interpret your html/css in a way other than what you want. For example when someone …
A declaração !important serve para forçar o CSS a usar a propriedade descrita nessa linha. O CSS funciona por hierarquias, uma cascata de regras que obedecem a prioridades.
So when using important, ideally this should only ever be used, when really really needed. So to override the declaration, make the style more specific, but also with an override.
2 Strictly speaking you shouldn't need to use !important if you've structured your CSS well and don't have too many degrees of specificity. The most appropriate time to use !important is when you have …
"important account alert" notification icon won't go away When using Google on Windows/Firefox, there is a yellow "!" icon on my avatar, and when I hover over the avatar, it shows …
You can specify the 'more important' .imp2 class above the others with !important on it. This makes the property with the additional imp2 class more important than the .prop1.imp1 style …
No, it's not possible. !important is thought to be an instrument of last resort and as such should be used sparingly. !important ing whole selectors would caricature that idea. If you need to …
Use !important for development to quickly identify a problem in the cascade, but then fix the problem. It's best to use the least amount of specificity in CSS rules to get something to work.