css

xajax expanding list query

I think you should look into jQuery as your default javascript library, it’s used by many web professionals and is very good. There you will find the Accordion control, which I think will suite this need very well. Good luck!

“Uncaught TypeError: Cannot read property ‘style’ of null at.. “

I practiced the styling as shown below in a different document and it worked there for paragraphs and buttons but, for divs, however, it refuses to do so. The first document.getElementById(‘red’).style.width=”100px”; statement returns an error “Uncaught TypeError: Cannot read property ‘style’ of null at.. “ When I tried it in another document, it worked without placing the … Read more

Vertical Align Center in Bootstrap

Important! Vertical center is relative to the height of the parent If the parent of the element you’re trying to center has no defined height, none of the vertical centering solutions will work! Now, onto vertical centering… Bootstrap 5 (Updated 2021) Bootstrap 5 is still flexbox based so vertical centering works the same way as Bootstrap 4. For example, align-items-center, justify-content-center or auto margins can used … Read more

Prevent line-break of span element

Put this in your CSS: Get more information here: http://www.w3.org/wiki/CSS/Properties/white-space white-space The white-space property declares how white space inside the element is handled. Values normal This value directs user agents to collapse sequences of white space, and break lines as necessary to fill line boxes. pre This value prevents user agents from collapsing sequences of white space. Lines are only … Read more

Making an iframe responsive

I present to you The Incredible Singing Cat solution =) jsFiddle: http://jsfiddle.net/omarjuvera/8zkunqxy/2/As you move the window bar, you’ll see iframe to responsively resize Alternatively, you may also use the intrinsic ratio technique This is just an alternate option of the same solution above (tomato, tomato)

What’s the difference between display:inline-flex and display:flex?

display: inline-flex does not make flex items display inline. It makes the flex container display inline. That is the only difference between display: inline-flex and display: flex. A similar comparison can be made between display: inline-block and display: block, and pretty much any other display type that has an inline counterpart.1 There is absolutely no difference in the effect on flex items; flex layout is identical whether … Read more

Why em instead of px?

I heard you should define sizes and distances in your stylesheet with em instead of in pixels. So the question is why should I use em instead of px when defining styles in css? Is there a good example that illustrates this?

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