Buttons, Radio Buttons etc
This is a simple Bootstrap skeleton. You can fork it to get a ready to use Bootstrap fiddle.
No-Library (pure JS), HTML, CSS, JavaScript
CSS only keeping footer bottom of window
Mootools 1.4.1, HTML, CSS, JavaScript
Put simply, IE8 doesn't support HTML5 elements by default, but by having this javascript execute (only for IE8 or less) it starts to recognise those elements. Most developers use some form of html5 shim to fix this.
jQuery 1.8.3, HTML, CSS, JavaScript
Play on hover (mouseIver)
Bootstrap 3
-webkit-filter: grayscale(100%);
jQuery 1.9.1, HTML, CSS, JavaScript