Can I write a CSS selector selecting elements NOT having a certain class or attribute?

Typically you add a class selector to the :not() pseudo-class like so:

:not(.printable) {
    /* Styles */
}

:not([attribute]) {
    /* Styles */
}

But if you need better browser support (IE8 and older don't support :not()), you're probably better off creating style rules for elements that do have the "printable" class. If even that isn't feasible despite what you say about your actual markup, you may have to work your markup around that limitation.

Keep in mind that, depending on the properties you're setting in this rule, some of them may either be inherited by descendants that are .printable, or otherwise affect them one way or another. For example, although display is not inherited, setting display: none on a :not(.printable) will prevent it and all of its descendants from displaying, since it removes the element and its subtree from layout completely. You can often get around this by using visibility: hidden instead which will allow visible descendants to show, but the hidden elements will still affect layout as they originally did. In short, just be careful.

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:not([class])

Actually, this will select anything that does not have a css class (class="css-selector") applied to it.

I made a jsfiddle demo

h2 {color:#fff} :not([class]) {color:red;background-color:blue} .fake-class {color:green}

fake-class will be green

empty class SHOULD be white

no class should be red

fake-class2 SHOULD be white

empty class2 SHOULD be white

no class2 SHOULD be red

Is this supported? Yes : Caniuse.com (accessed 02 Jan 2020):

Support: 98.74%

Partial support: 0.1%

Total:98.84%

Funny edit, I was Googling for the opposite of :not. CSS negation?

selector[class]  /* the oposite of :not[]*/

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The :not negation pseudo class

The negation CSS pseudo-class, :not(X), is a functional notation taking a simple selector X as an argument. It matches an element that is not represented by the argument. X must not contain another negation selector.

You can use :not to exclude any subset of matched elements, ordered as you would normal CSS selectors.

Simple example: excluding by class

div:not(.class)

Would select all div elements without the class .class

div:not(.class) { color: red; }

Complex example: excluding by type / hierarchy

:not(div) > div

Would select all div elements which arent children of another div

div { color: black } :not(div) > div { color: red; }

Complex example: chaining pseudo selectors

With the notable exception of not being able to chain/nest :not selectors and pseudo elements, you can use in conjunction with other pseudo selectors.

div { color: black } :not(:nth-child(2)){ color: red; }

Browser Support, etc.

:not is a CSS3 level selector, the main exception in terms of support is that it is IE9+

The spec also makes an interesting point:

the :not() pseudo allows useless selectors to be written. For instance :not(*|*), which represents no element at all, or foo:not(bar), which is equivalent to foo but with a higher specificity.

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I think this should work:

:not(.printable)

From "negative css selector" answer.

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Just like to contribute that the above answers of :not() can be very effective in angular forms, rather than creating effects or adjusting the view/DOM,

input.ng-invalid:not(.ng-pristine) { ... your css here i.e. border-color: red; ...}

Ensures that on loading your page, the input fields will only show the invalid (red borders or backgrounds, etc) if they have data added (i.e. no longer pristine) but are invalid.

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Example

  [class*='section-']:not(.section-name) {
    @include opacity(0.6);
    // Write your css code here
  }

// Opacity 0.6 all "section-" but not "section-name"

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If you want a specific class menu to have a specific CSS if missing class logged-in:

body:not(.logged-in) .menu  {
    display: none
}

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Using the :not() pseudo class:

For selecting everything but a certain element (or elements). We can use the :not() CSS pseudo class. The :not() pseudo class requires a CSS selector as its argument. The selector will apply the styles to all the elements except for the elements which are specified as an argument.

Examples:

/* This query selects All div elements except for */ div:not(.foo) { background-color: red; } /* Selects all hovered nav elements inside section element except for the nav elements which have the ID foo*/ section nav:hover:not(#foo) { background-color: red; } /* selects all li elements inside an ul which are not odd */ ul li:not(:nth-child(odd)) { color: red; }

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We can already see the power of this pseudo class, it allows us to conveniently fine tune our selectors by excluding certain elements. Furthermore, this pseudo class increases the specificity of the selector. For example:

/* This selector has a higher specificity than the #foo below */ #foo:not(#bar) { color: red; } /* This selector is lower in the cascade but is overruled by the style above */ #foo { color: green; }

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You can use :not(.class) selector as mentioned before.

If you care about Internet explorer compatibility I recommend you to use http://selectivizr.com/.

But remember to run it under apache otherwise you won't see the effect.

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As others said, you simply put :not(.class). For CSS selectors, I recommend visiting this link, it's been very helpful throughout my journey: https://code.tutsplus.com/tutorials/the-30-css-selectors-you-must-memorize--net-16048

div:not(.success) {
  color: red;
}

The negation pseudo class is particularly helpful. Let's say I want to select all divs, except for the one which has an id of container. The snippet above will handle that task perfectly.

Or, if I wanted to select every single element (not advised) except for paragraph tags, we could do:

*:not(p) {
  color: green;
}

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