trAvis - MANAGER

Edit File: KeyframeSelector.php

<?php namespace Sabberworm\CSS\Property; class KeyframeSelector extends Selector { /** * regexp for specificity calculations * * @var string * * @internal */ const SELECTOR_VALIDATION_RX = '/ ^( (?: [a-zA-Z0-9\x{00A0}-\x{FFFF}_^$|*="\'~\[\]()\-\s\.:#+>]* # any sequence of valid unescaped characters (?:\\\\.)? # a single escaped character (?:([\'"]).*?(?<!\\\\)\2)? # a quoted text like [id="example"] )* )| (\d+%) # keyframe animation progress percentage (e.g. 50%) $ /ux'; }