https://www.vvspartanijkerk.nl/wp-content/plugins/grid-layout-builder/assets/js/jquery.fitvids.js

1(function($){"use strict";$.fn.fitVids=function(options){var settings={customSelector:null};var div=document.createElement('div'),ref=document.getElementsByTagName('base')[0]||document.getElementsByTagName('script')[0];div.className='fit-vids-style';div.innerHTML='&shy;<style>         \
2      .fluid-width-video-wrapper {        \
3         width: 100%;                     \
4         position: relative;              \
5         padding: 0;                      \
6      }                                   \
7                                          \
8      .fluid-width-video-wrapper iframe,  \
9      .fluid-width-video-wrapper object,  \
10      .fluid-width-video-wrapper embed {  \
11         position: absolute;              \
12         top: 0;                          \
13         left: 0;                         \
14         width: 100%;                     \
15         height: 100%;                    \
16      }                                   \
17    </style>';ref.parentNode.insertBefore(div,ref);if(options){$.extend(settings,options);}return this.each(function(){var selectors=["iframe[src*='player.vimeo.com']","iframe[src*='www.youtube.com']","iframe[src*='www.kickstarter.com']","object","embed"];if(settings.customSelector){selectors.push(settings.customSelector);}var $allVideos=$(this).find(selectors.join(','));$allVideos.each(function(){var $this=$(this);if(this.tagName.toLowerCase()==='embed'&&$this.parent('object').length||$this.parent('.fluid-width-video-wrapper').length){return;}var height=(this.tagName.toLowerCase()==='object'||($this.attr('height')&&!isNaN(parseInt($this.attr('height'),10))))?parseInt($this.attr('height'),10):$this.height(),width=!isNaN(parseInt($this.attr('width'),10))?parseInt($this.attr('width'),10):$this.width(),aspectRatio=height/width;if(!$this.attr('id')){var videoID='fitvid'+Math.floor(Math.random()*999999);$this.attr('id',videoID);}$this.wrap('<div class="fluid-width-video-wrapper"></div>').parent('.fluid-width-video-wrapper').css('padding-top',(aspectRatio*100)+"%");$this.removeAttr('height').removeAttr('width');});});};})(jQuery);