+++ /dev/null
-@charset "UTF-8";
-
-/// Checks for a valid CSS length.
-///
-/// @argument {string} $value
-///
-/// @return {boolean}
-///
-/// @access private
-
-@function _is-length($value) {
- @return type-of($value) != "null" and (str-slice($value + "", 1, 4) == "calc"
- or index(auto inherit initial 0, $value)
- or (type-of($value) == "number" and not(unitless($value))));
-}