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+---
+layout:    post
+title:     "Cross browser border-radius SASS mixin with varargs"
+date:      2015-04-28 00:59:56+02:00
+permalink: /blog/2015/4/28/cross-browser-border-radius-sass-mixin-with-varargs
+published: true
+author:
+    name: Gergely Polonkai
+    email: gergely@polonkai.eu
+---
+
+Few days ago I needed to create style sheets with many rounded boxes,
+where different corners had to be rounded differently (think about
+Bootstrap’s [button
+groups](http://getbootstrap.com/components/#btn-groups)).
+
+CSS has this nifty shorthand to specify border width in one line, like
+with `border-width: 1px 2px 3px 4px`, but it lacks the same for
+`border-radius`. So I decided to create something similar using [Sass
+mixins](http://sass-lang.com/guide#topic-6) with dynamic
+parameters. Another nice feature you get using the `border-width`
+shorthand is that you can specify less than four parameters, and the
+values will be applied on different sides of your box, so in the end
+all side will have a `border-witdh` set.
+
+I wanted to achieve the same for my `border-radius` mixin, although I
+could not start specifically with the `top` side. I decided to go with
+the top right corner for the first parameter, while trying to keep a
+sane repeting pattern. Here is the result:
+
+{% gist gergelypolonkai/313b227434ecc5d85d7b border-radius.sass %}