.border-blue.background { … } is for when both classes are used together. .border-blue, .background { … } is for either class. .border-blue .background { … } is for where ‘.background’ is the child of ‘.border-blue’. See Chris’ answer for a more thorough explanation. Also see W3 Docs on CSS Combinators
Solution: http://jsfiddle.net/VR2hP/ ul li:before { font-family: ‘FontAwesome’; content: ‘\f067′; margin:0 5px 0 -15px; color: #f00; } Here’s a blog post which explains this technique in-depth.
This is a very common problem that arises due to a misunderstanding of how :nth-child(An+B) and :nth-of-type() work. In Selectors Level 3, the :nth-child() pseudo-class counts elements among all of their siblings under the same parent. It does not count only the siblings that match the rest of the selector. Similarly, the :nth-of-type() pseudo-class counts … Read more
Been wondering the same for quite some time now, just gut-wrenching when your in-the-moment-freestyle-css’ing with firebug gets blown to bits by an accidental reload or whatnot…. For my intents and purposes, I’ve finally found the tool…. : FireDiff. It gives you a new tab, probably some weird David Bowie reference, called “changes”; which not only … Read more
You can transition background-image. Use the CSS below on the img element: -webkit-transition: background-image 0.2s ease-in-out; transition: background-image 0.2s ease-in-out; This is supported natively by Chrome, Opera and Safari. Firefox hasn’t implemented it yet (bugzil.la). Not sure about IE.
Setting these (exactly like I have written) has served me when I needed it: -moz-opacity: 0.70; opacity:.70; filter: alpha(opacity=70);
just this as img tag is a content element img { content:url(http://example.com/image.png); }
According to the HTML spec, <span> is an inline element and <div> is a block element. Now that can be changed using the display CSS property but there is one issue: in terms of HTML validation, you can’t put block elements inside inline elements so: <p>…<div>foo</div>…</p> is not strictly valid even if you change the … Read more
Bootstrap 5 (update 2021) The method is still the same for Bootstrap 5. https://codeply.com/p/iauLPArGqE Bootstrap 4 To change the primary, or any of the theme colors in Bootstrap 4 SASS, set the appropriate variables before importing bootstrap.scss. This allows your custom scss to override the !default values… $primary: purple; $danger: red; @import “bootstrap”; Demo: https://codeply.com/go/f5OmhIdre3 … Read more
I believe the reason why the first set of properties will not work is because there is no auto value for display, so that property should be ignored. In that case, inline-table will still take effect, and as width do not apply to inline elements, that set of properties will not do anything. The second … Read more