You can use has(): div:has(> .test) { /*styling, for div, not .test …*/ } In CSS there is an :empty selector that allows you to match empty elements, you can negate the effect with :not selector. div:not(:empty) { // your styles here } However I’m not sure if all browsers support this.
You can use an iframe to display a preview of the page on mouseover: .box{ display: none; width: 100%; } a:hover + .box,.box:hover{ display: block; position: relative; z-index: 100; } This live preview for <a href=”https://en.wikipedia.org/”>Wikipedia</a> <div class=”box”> <iframe src=”https://en.wikipedia.org/” width = “500px” height = “500px”> </iframe> </div> remains open on mouseover. Here’s an example … Read more
For your code to be valid you can’t put any tag inside a <ul> other than an <li>. You can however, put any block level element inside the <li>, like so: <ul> <li> <h2>…</h2> <p>…</p> <p>…</p> </li> </ul>
Historically, HTML has been based on SGML which allows tags to be omitted under certain conditions. Since the <img> element cannot have any child nodes, it is defined as EMPTY and the end tag is forbidden (as it would serve no purpose). XHTML is HTML expressed in XML, and XML does not support optional or … Read more
I have just tried this. What you attempted to do is correct. In HTML if you are writing a link the & characters should be encoded as & You would only encode the & as %26 if you wanted a parameter value to contain an ampersand. I just wrote a simple HTML page that contained … Read more
Contents. Terminology Languages and Serializations Specifications Browser Parsers and Content (MIME) Types Browser Support Validators and Document Type Definitions Quirks, Limited Quirks, and Standards modes. Terminology One of the difficulties of describing this is clearly that the terminology within the official specifications has changed over the years, since HTML was first introduced. What follows below … Read more
The span element is an inline element, which should contain only other inline elements and no block elements. From the spec: Generally, block-level elements may contain inline elements and other block-level elements. Generally, inline elements may contain only data and other inline elements. Inherent in this structural distinction is the idea that block elements create … Read more
You’re missing the option: <h1> <a href=”http://stackoverflow.com”> <img src=”logo.png” alt=”Stack Overflow” /> </a> </h1> title in href and img to h1 is very, very important!
Here’s an elegant and unobtrusive one with some limitations (see below). JSFiddle CSS: dl { width: 400px } dt { float: left; width: 300px; overflow: hidden; white-space: nowrap } dd { float: left; width: 100px; overflow: hidden } dt:after { content: ” ……………………………………………………………………….” } HTML: <dl> <dt>Drug 1</dt> <dd>10ml</dd> <dt>Another drug</dt> <dd>50ml</dd> <dt>Third</dt> <dd>100ml</dd> </dl> … Read more
The “a” tag is an inline level element. No inline level element may have its width set. Why? Because inline level elements are meant to represent flowing text which could in theory wrap from one line to the next. In those sorts of cases, it doesn’t make sense to supply the width of the element, … Read more