https://www.impuls-greven.de/assets/plugins/slider_extended/assets/front/plugins/jquery.fitvids.js

1!function(a){"use strict";a.fn.fitVids=function(t){var e={customSelector:null},i=document.createElement("div"),r=document.getElementsByTagName("base")[0]||document.getElementsByTagName("script")[0];return i.className="fit-vids-style",i.innerHTML="&shy;<style>               .fluid-width-video-wrapper {                 width: 100%;                              position: relative;                       padding: 0;                            }                                                                                   .fluid-width-video-wrapper iframe,        .fluid-width-video-wrapper object,        .fluid-width-video-wrapper embed {           position: absolute;                       top: 0;                                   left: 0;                                  width: 100%;                              height: 100%;                          }                                       </style>",r.parentNode.insertBefore(i,r),t&&a.extend(e,t),this.each(function(){var t=["iframe[src*='player.vimeo.com']","iframe[src*='www.youtube.com']","iframe[src*='www.kickstarter.com']","object","embed"];e.customSelector&&t.push(e.customSelector),a(this).find(t.join(",")).each(function(){var t=a(this);if(!("embed"===this.tagName.toLowerCase()&&t.parent("object").length||t.parent(".fluid-width-video-wrapper").length)){var e=("object"===this.tagName.toLowerCase()||t.attr("height")&&!isNaN(parseInt(t.attr("height"),10))?parseInt(t.attr("height"),10):t.height())/(isNaN(parseInt(t.attr("width"),10))?t.width():parseInt(t.attr("width"),10));if(!t.attr("id")){var i="fitvid"+Math.floor(999999*Math.random());t.attr("id",i)}t.wrap('<div class="fluid-width-video-wrapper"></div>').parent(".fluid-width-video-wrapper").css("padding-top",100*e+"%"),t.removeAttr("height").removeAttr("width")}})})}}(jQuery);