One of the versions you posted actually works for all modern browsers (where CSS selectors level 3 are supported): div ul:not(:first-child) { background-color: #900; } If you need to support legacy browsers, or if you are hindered by the :not selector’s limitation (it only accepts a simple selector as an argument) then you can use … Read more
The ~ selector is in fact the subsequent-sibling combinator (previously called general sibling combinator until 2017): The subsequent-sibling combinator is made of the “tilde” (U+007E, ~) character that separates two sequences of simple selectors. The elements represented by the two sequences share the same parent in the document tree and the element represented by the … Read more
LATEST SOLUTION (2022) Solution 4 using Bootstrap 4 or 5 Bootstrap 4 and 5 use Flexbox by default, so there is no need for extra CSS. Demo <div class=”container”> <div class=”row “> <div class=”col-md-4″ style=”background-color: red”> some content </div> <div class=”col-md-4″ style=”background-color: yellow”> catz <img width=”100″ height=”100″ src=”https://placekitten.com/100/100/”> </div> <div class=”col-md-4″ style=”background-color: green”> some more … Read more
If you don’t want to put CSS class names into Controller like I do, here is an old trick that I use since pre-v1 days. We can write an expression that evaluates directly to a class name selected, no custom directives are necessary: ng:class=”{true:’selected’, false:”}[$index==selectedIndex]” Please note the old syntax with colon. There is also … Read more
There are two approaches to centering a column <div> in Bootstrap 3: Approach 1 (offsets): The first approach uses Bootstrap’s own offset classes so it requires no change in markup and no extra CSS. The key is to set an offset equal to half of the remaining size of the row. So for example, a … Read more
This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That’s it. There’s a very common misconception that it picks up whichever child element is the first to match the conditions specified by the rest of the … Read more
To get the menu to automatically drop on hover then this can achieved using basic CSS. You need to work out the selector to the hidden menu option and then set it to display as block when the appropriate li tag is hovered over. Taking the example from the twitter bootstrap page, the selector would … Read more
Flexbox doesn’t have collapsing margins. Flexbox doesn’t have anything akin to border-spacing for tables (edit: CSS property gap fulfills this role in newer browsers, Can I use) Therefore achieving what you are asking for is a bit more difficult. In my experience, the “cleanest” way that doesn’t use :first-child/:last-child and works without any modification on … Read more
You can check directly at the CSS grammar. Basically1, a name must begin with an underscore (_), a hyphen (-), or a letter(a–z), followed by any number of hyphens, underscores, letters, or numbers. There is a catch: if the first character is a hyphen, the second character must2 be a letter or underscore, and the … Read more
display:none means that the tag in question will not appear on the page at all (although you can still interact with it through the dom). There will be no space allocated for it between the other tags. visibility:hidden means that unlike display:none, the tag is not visible, but space is allocated for it on the … Read more