What’s the difference between html[lang=”en”] and html:lang(en) in CSS?

In HTML, both the :lang() pseudo-class and the attribute selector will match an element with the corresponding lang attribute. The difference is that a browser may have other ways of determining the language of a given element when testing against the :lang() pseudo-class which may be defined by the document language and/or the implementation, whereas … Read more

Instagram new logo css background [closed]

Here is the css code for background color: .instagram{ width:100px; height:100px; background: #f09433; background: -moz-linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); background: -webkit-linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%); background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%); filter: progid:DXImageTransform.Microsoft.gradient( startColorstr=”#f09433″, endColorstr=”#bc1888″,GradientType=1 ); } <div class=”instagram”></div>

Building a 4 corners-colors CSS3 gradient

in your case Method 1: jsFiddle Demo div{ overflow: hidden; background: #f06; background: linear-gradient(45deg, #fff722, #ff26f9); min-height: 100%; width: 256px; height: 256px; position: relative; z-index: 1; box-shadow: inset -20px 0 38px -18px #ff26f9,inset -3px -13px 65px -18px yellow; } div:before,div:after{ content:”; position:absolute; width:100%; height:100%; } div:before{ background: red; box-shadow: 0 0 140px 64px red; z-index:2; … Read more

Make DIV max-height equal to `window height – 100px`

Yes: #specificElement { height: calc(100vh – 100px); box-sizing: border-box; } This uses the CSS calc() function to subtract 100px from 100vh (1vh being one percent of the view-port’s height) and uses the result as the value of the height property. The box-sizing forces the browser to include padding, and borders, in the calculated height of … Read more

CSS: Flex Box not printing all pages on Firefox

Having looked into this for a bit now, I’m still not sure what about Firefox causes printing flex containers to be cut off. I found some extremely old bug reports on Bugzilla (eg. https://bugzilla.mozilla.org/show_bug.cgi?id=258397), but they had something to do with overflow properties on the body tag. Unfortunately, trying to adjust the overflow of body … Read more

Is there any pros and cons if i use always CSS Class instead CSS ID for everything?

One big difference: in CSS, a class has a lower importance level than an ID. Imagine that each specification in a CSS declaration added a certain number of points to that declaration’s value. Let’s say the points go something like this (totally made up, but whatever): Tag name (‘a’, ‘div’, ‘span’): 1 point Class name … Read more

Add alpha channel to a given color

If you want to use modern CSS: –color_rgb: 0, 0, 0; background-color: rgba(var(–color_rgb), 0.5); But it’s still not possible to add alpha to a given color, as in “some other style sheet applied this color in RGB, Hex or something else”.

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