Created
December 22, 2011 21:48
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fooling around with css and javascript
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>untitled</title> | |
| <style> | |
| body { | |
| margin: 50px; | |
| } | |
| div { | |
| border: 1px solid #000; | |
| -webkit-box-sizing: border-box; | |
| -moz-box-sizing: border-box; | |
| box-sizing: border-box; | |
| color: #000; | |
| font-family: HelveticaNeue-Light; | |
| height: 100px; | |
| margin: 0 auto; | |
| width: 100px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="btn"></div> | |
| <script> | |
| var z = 0; | |
| var goingUp = true; | |
| var b = document.getElementById('btn'); | |
| var x = function() { | |
| b.style.borderRadius = z + 'px'; | |
| b.style.borderWidth = z + 'px'; | |
| b.style.opacity = z * .01 ; | |
| if (goingUp) { | |
| z += 1; | |
| if (z > 100 / 2) { | |
| goingUp = false; | |
| } | |
| } else { | |
| z -= 1; | |
| if (z < 1) { | |
| goingUp = true; | |
| } | |
| } | |
| } | |
| var y = setInterval(x, 10); | |
| </script> | |
| </body> | |
| </html> |
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