@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))));

}