A simple HTML5, YouTube and Vimeo player
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added in 3.6.10 with calc
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instead of deprecated syntaxaspect-ratio
CSS property instead of the legacy method (still used as fallback). Also automatically determined aspect ratios are rounded to the nearast standard ratio. This fixes issues with the YouTube embeds showing a 1-2px black bar.ReferenceError: _classCallCheck is not defined
error has occurred." error (thanks @hex-ci)