# Odd change in boldness of font on Safari/Macbook Retina when scrolling

**URL:** <https://meta.discourse.org/t/odd-change-in-boldness-of-font-on-safari-macbook-retina-when-scrolling/23605>\
**Category:** Bug\
**Created:** [January 2, 2015, 11:28am UTC](https://meta.discourse.org/t/odd-change-in-boldness-of-font-on-safari-macbook-retina-when-scrolling/23605 "2015-01-02T11:28:16Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![simon](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/simon/32/339122_2.png) [@simon](https://meta.discourse.org/u/simon)\
**Post date:** [May 1, 2015, 5:59pm UTC](https://meta.discourse.org/t/odd-change-in-boldness-of-font-on-safari-macbook-retina-when-scrolling/23605/4 "2015-05-01T17:59:45Z")

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Would it be worth using [Modernizr](http://modernizr.com/docs/) to do feature detection for animations? I have only ever used it as a simple way to add html5 support to IE browsers, but this sounds like it might be an actual use case for it to do what it is intended for.

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