From HTML5 ★ Boilerplate Docs: What is ?v=1″ ‘?v=1’ is the JavaScript/CSS Version Control with Cachebusting Why do you need to cache JavaScript CSS? Web page designs are getting richer and richer, which means more scripts and stylesheets in the page. A first-time visitor to your page may have to make several HTTP requests, but by … Read more
You can do that — actually change style rules related to a class — using the styleSheets array (MDN link), but frankly you’re probably better off (as changelog said) having a separate style that defines the display: none and then removing that style from elements when you want them no longer hidden.
tl;dr Vertical align middle works, but you will have to use table-cell on your parent element and inline-block on the child. This solution is not going to work in IE6 & 7.Yours is the safer way to go for those.But since you tagged your question with CSS3 and HTML5 I was thinking that you don’t mind using a modern … Read more
Overriding the !important modifier Simply add another CSS rule with !important, and give the selector a higher specificity (adding an additional tag, id or class to the selector) add a CSS rule with the same selector at a later point than the existing one (in a tie, the last one defined wins). Some examples with a … Read more
I use classnames when there is a fair amount of logic required for deciding the classes to (not) use. An overly simple example: That said, if you don’t want to include a dependency then there are better answers below.
You could use frameset as the previous answer states but if you are insistent on using iFrames, the 2 following examples should work: An alternative: To hide scrolling with 2 alternatives as shown above: Hack with the second example: To hide the scroll-bars of the iFrame, the parent is made overflow: hidden to hide scrollbars and the … Read more
UPDATE 06/10/2014: using div’s inside a’s is semantically correct in HTML5. You’ll need to choose between the following scenarios: which is semantically incorrect, but it will work. which is semantically correct but it involves using JS. which is semantically correct and works as expected but is not a div any more.
I’m using bootstrap jumbotron, and including a background image. Resizing the screen makes the image tile and repeat, whereas I want the image to be responsively resized. How would you go about making the image responsive? The site is HERE. Thanks for your ideas!
One option is to give the <a> a display of inline-block and then apply text-align: center; on the containing block (remove the float as well): http://jsfiddle.net/Adrift/cePe3/
http://jsfiddle.net/vfUvZ/ Here’s a starting point CSS: