In the Woods - Vertical Centering With CSS
http://blog.themeforest.net/tutorials/vertical-centering-with-css/

alineacion vertical

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用css作區塊垂直置中的方法

print!

Web Design

CSS has a property called vertical align. It can be a bit confusing when you first learn about it, so I thought we could go through it’s use a little bit. The basic usage is like this:

Max Design - standards based web design, development and training » Aligning inline images with the vertical-align property - http://www.maxdesign.com.au/2008/10/05/vertical-align/

You can change the vertical position of images in relation to the surrounding text using the CSS vertical-align property. The various properties that can be used include: top, text-top, middle, baseline, text-bottom, bottom, sub, super, percentage and length

useful read for aligning small images/icons with text.

Vertical alignment, much more elegant than how I've previously seen it done

欧文フォントの高さの概念が参考になる