24ways: articles: 3 rows where where topic = "design" and year = 2005

3 rows where topic = "design" and year = 2005

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Link	rowid ▼	title	contents	year	author	author_slug	published	url	topic
325	325	"Z's not dead baby, Z's not dead"	While Mr. Moll and Mr. Budd have pipped me to the post with their predictions for 2006, I’m sure they won’t mind if I sneak in another. The use of positioning together with z-index will be one of next year’s hot techniques Both has been a little out of favour recently. For many, positioned layouts made way for the flexibility of floats. Developers I speak to often associate z-index with Dreamweaver’s layers feature. But in combination with alpha transparency support for PNG images in IE7 and full implementation of position property values, the stacking of elements with z-index is going to be big. I’m going to cover the basics of z-index and how it can be used to create designs which ‘break out of the box’. No positioning? No Z! Remember geometry? The x axis represents the horizontal, the y axis represents the vertical. The z axis, which is where we get the z-index, represents /depth/. Elements which are stacked using z-index are stacked from front to back and z-index is only applied to elements which have their position property set to relative or absolute. No positioning, no z-index. Z-index values can be either negative or positive and it is the element with the highest z-index value appears closest to the viewer, regardless of its order in the source. Furthermore, if more than one element are given the same z-index, the element which comes last in source order comes out top of the pile. Let’s take three <div>s. <div id="one"></div> <div id="two"></div> <div id="three"></div> #one { position: relative; z-index: 3; } #two { position: relative; z-index: 1; } #three { position: relative; z-index: 2; } As you can see, the <div> with the z-index of 3 will appear closest, even though it comes before its siblings in the source order. As these three <div>s have no defined positioning context in the form of a positioned parent such as a <div>, their stacking order is defined from the root element <html>. Simple stuff, but these building blocks are the basis on whic…	2005	Andy Clarke	andyclarke	2005-12-16T00:00:00+00:00	https://24ways.org/2005/zs-not-dead-baby-zs-not-dead/	design
329	329	Broader Border Corners	A note from the editors: Since this article was written the CSS border-radius property has become widely supported in browsers. It should be preferred to this image technique. A quick and easy recipe for turning those single-pixel borders that the kids love so much into into something a little less right-angled. Here’s the principle: We have a box with a one-pixel wide border around it. Inside that box is another box that has a little rounded-corner background image sitting snugly in one of its corners. The inner-box is then nudged out a bit so that it’s actually sitting on top of the outer box. If it’s all done properly, that little background image can mask the hard right angle of the default border of the outer-box, giving the impression that it actually has a rounded corner. Take An Image, Finely Chopped Add A Sprinkle of Markup <div id="content"> <p>Lorem ipsum etc. etc. etc.</p> </div> Throw In A Dollop of CSS #content { border: 1px solid #c03; } #content p { background: url(corner.gif) top left no-repeat; position: relative; left: -1px; top: -1px; padding: 1em; margin: 0; } Bubblin’ Hot The content div has a one-pixel wide red border around it. The paragraph is given a single instance of the background image, created to look like a one-pixel wide arc. The paragraph is shunted outside of the box – back one pixel and up one pixel – so that it is sitting over the div’s border. The white area of the image covers up that part of the border’s corner, and the arc meets up with the top and left border. Because, in this example, we’re applying a background image to a paragraph, its top margin needs to be zeroed so that it starts at the top of its container. Et voilà. Bon appétit. Extra Toppings If you want to apply a curve to each one of the corners and you run out of meaningful markup to hook the background images on to, throw some spans or divs in the mix (there’s nothing wrong …	2005	Patrick Griffiths	patrickgriffiths	2005-12-14T00:00:00+00:00	https://24ways.org/2005/broader-border-corners/	design
330	330	An Explanation of Ems	Ems are so-called because they are thought to approximate the size of an uppercase letter M (and so are pronounced emm), although 1em is actually significantly larger than this. The typographer Robert Bringhurst describes the em thus: The em is a sliding measure. One em is a distance equal to the type size. In 6 point type, an em is 6 points; in 12 point type an em is 12 points and in 60 point type an em is 60 points. Thus a one em space is proportionately the same in any size. To illustrate this principle in terms of CSS, consider these styles: #box1 { font-size: 12px; width: 1em; height: 1em; border:1px solid black; } #box2 { font-size: 60px; width: 1em; height: 1em; border: 1px solid black; } These styles will render like: M and M Note that both boxes have a height and width of 1em but because they have different font sizes, one box is bigger than the other. Box 1 has a font-size of 12px so its width and height is also 12px; similarly the text of box 2 is set to 60px and so its width and height are also 60px.	2005	Richard Rutter	richardrutter	2005-12-02T00:00:00+00:00	https://24ways.org/2005/an-explanation-of-ems/	design

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