beholdr

@mixin prefix($property, $value, $prefixes: ("-webkit-","-moz-","-o-","-ms-","")) {
  @each $prefix in $prefixes {
    #{$prefix}#{$property}: #{$value};
  }
}

.block {
  @include prefix("transition", ".5s");
  @include prefix("border-radius", "5px", ("-webkit-","-moz-",""));
}

beholdr

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>name</key>
	<string>Notebook</string>
	<key>settings</key>
	<array>
		<dict>
			<key>settings</key>