html - Why do all links change colour when only one is clicked? -

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i'm stumped on 1 - have pretty basic document ordered list containing anchors , hidden divs show when link clicked. problem when 1 link clicked links change colour per a:visited css rule. not happen in ie10 (only visited link changes colour expected) happen in opera, chrome , firefox.

here's markup: http://jsbin.com/usuwece/3/edit - i'm pretty new web design obvious, appreciated. cheers!

that's because point same url, when click on 1 return they've been visited.


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