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project/static/home_design/js/grayscale.min.js

+/*!
+ * Start Bootstrap - Grayscale v5.0.9 (https://startbootstrap.com/template-overviews/grayscale)
+ * Copyright 2013-2019 Start Bootstrap
+ * Licensed under MIT (https://github.com/BlackrockDigital/startbootstrap-grayscale/blob/master/LICENSE)
+ */
+
+!function(e){"use strict";e('a.js-scroll-trigger[href*="#"]:not([href="#"])').click(function(){if(location.pathname.replace(/^\//,"")==this.pathname.replace(/^\//,"")&&location.hostname==this.hostname){var a=e(this.hash);if((a=a.length?a:e("[name="+this.hash.slice(1)+"]")).length)return e("html, body").animate({scrollTop:a.offset().top-70},1e3,"easeInOutExpo"),!1}}),e(".js-scroll-trigger").click(function(){e(".navbar-collapse").collapse("hide")}),e("body").scrollspy({target:"#mainNav",offset:100});function a(){100<e("#mainNav").offset().top?e("#mainNav").addClass("navbar-shrink"):e("#mainNav").removeClass("navbar-shrink")}a(),e(window).scroll(a)}(jQuery);
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