added rss feed in footer
[theme-danix.xyz.git] / assets / sass / bourbon / bourbon / validators / _is-length.scss
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2d3ca553 1@charset "UTF-8";
2
3/// Checks for a valid CSS length.
4///
5/// @argument {string} $value
6///
7/// @return {boolean}
8///
9/// @access private
10
11@function _is-length($value) {
12 @return type-of($value) != "null"
13 and (
14 str-slice($value + "", 1, 4) == "calc"
15 or str-slice($value + "", 1, 3) == "var"
16 or str-slice($value + "", 1, 3) == "env"
17 or index(auto inherit initial 0, $value)
18 or (type-of($value) == "number" and not(unitless($value)))
19 );
20}