diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-content/themes/twentyseventeen/assets/js/jquery.scrollTo.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-content/themes/twentyseventeen/assets/js/jquery.scrollTo.js	Mon Oct 14 17:39:30 2019 +0200
@@ -0,0 +1,209 @@
+/*!
+ * jQuery.scrollTo
+ * Copyright (c) 2007-2015 Ariel Flesler - aflesler<a>gmail<d>com | http://flesler.blogspot.com
+ * Licensed under MIT
+ * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
+ * @projectDescription Lightweight, cross-browser and highly customizable animated scrolling with jQuery
+ * @author Ariel Flesler
+ * @version 2.1.2
+ */
+;(function(factory) {
+	'use strict';
+	if (typeof define === 'function' && define.amd) {
+		// AMD
+		define( ['jquery'], factory );
+	} else if (typeof module !== 'undefined' && module.exports) {
+		// CommonJS
+		module.exports = factory( require( 'jquery' ) );
+	} else {
+		// Global
+		factory( jQuery );
+	}
+})(function($) {
+	'use strict';
+
+	var $scrollTo = $.scrollTo = function(target, duration, settings) {
+		return $( window ).scrollTo( target, duration, settings );
+	};
+
+	$scrollTo.defaults = {
+		axis:'xy',
+		duration: 0,
+		limit:true
+	};
+
+	function isWin(elem) {
+		return ! elem.nodeName ||
+			$.inArray( elem.nodeName.toLowerCase(), ['iframe','#document','html','body'] ) !== -1;
+	}
+
+	$.fn.scrollTo = function(target, duration, settings) {
+		if (typeof duration === 'object') {
+			settings = duration;
+			duration = 0;
+		}
+		if (typeof settings === 'function') {
+			settings = { onAfter:settings };
+		}
+		if (target === 'max') {
+			target = 9e9;
+		}
+
+		settings = $.extend( {}, $scrollTo.defaults, settings );
+		// Speed is still recognized for backwards compatibility
+		duration = duration || settings.duration;
+		// Make sure the settings are given right
+		var queue = settings.queue && settings.axis.length > 1;
+		if (queue) {
+			// Let's keep the overall duration
+			duration /= 2;
+		}
+		settings.offset = both( settings.offset );
+		settings.over = both( settings.over );
+
+		return this.each(function() {
+			// Null target yields nothing, just like jQuery does
+			if (target === null) { return; }
+
+			var win = isWin( this ),
+				elem = win ? this.contentWindow || window : this,
+				$elem = $( elem ),
+				targ = target,
+				attr = {},
+				toff;
+
+			switch (typeof targ) {
+				// A number will pass the regex
+				case 'number':
+				case 'string':
+					if (/^([+-]=?)?\d+(\.\d+)?(px|%)?$/.test( targ )) {
+						targ = both( targ );
+						// We are done
+						break;
+					}
+					// Relative/Absolute selector
+					targ = win ? $( targ ) : $( targ, elem );
+					/* falls through */
+				case 'object':
+					if (targ.length === 0) { return; }
+					// DOMElement / jQuery
+					if (targ.is || targ.style) {
+						// Get the real position of the target
+						toff = (targ = $( targ )).offset();
+					}
+			}
+
+			var offset = $.isFunction( settings.offset ) && settings.offset( elem, targ ) || settings.offset;
+
+			$.each(settings.axis.split( '' ), function(i, axis) {
+				var Pos	= axis === 'x' ? 'Left' : 'Top',
+					pos = Pos.toLowerCase(),
+					key = 'scroll' + Pos,
+					prev = $elem[key](),
+					max = $scrollTo.max( elem, axis );
+
+				if (toff) {// jQuery / DOMElement
+					attr[key] = toff[pos] + (win ? 0 : prev - $elem.offset()[pos]);
+
+					// If it's a dom element, reduce the margin
+					if (settings.margin) {
+						attr[key] -= parseInt( targ.css( 'margin' + Pos ), 10 ) || 0;
+						attr[key] -= parseInt( targ.css( 'border' + Pos + 'Width' ), 10 ) || 0;
+					}
+
+					attr[key] += offset[pos] || 0;
+
+					if (settings.over[pos]) {
+						// Scroll to a fraction of its width/height
+						attr[key] += targ[axis === 'x'?'width':'height']() * settings.over[pos];
+					}
+				} else {
+					var val = targ[pos];
+					// Handle percentage values
+					attr[key] = val.slice && val.slice( -1 ) === '%' ?
+						parseFloat( val ) / 100 * max
+						: val;
+				}
+
+				// Number or 'number'
+				if (settings.limit && /^\d+$/.test( attr[key] )) {
+					// Check the limits
+					attr[key] = attr[key] <= 0 ? 0 : Math.min( attr[key], max );
+				}
+
+				// Don't waste time animating, if there's no need.
+				if ( ! i && settings.axis.length > 1) {
+					if (prev === attr[key]) {
+						// No animation needed
+						attr = {};
+					} else if (queue) {
+						// Intermediate animation
+						animate( settings.onAfterFirst );
+						// Don't animate this axis again in the next iteration.
+						attr = {};
+					}
+				}
+			});
+
+			animate( settings.onAfter );
+
+			function animate(callback) {
+				var opts = $.extend({}, settings, {
+					// The queue setting conflicts with animate()
+					// Force it to always be true
+					queue: true,
+					duration: duration,
+					complete: callback && function() {
+						callback.call( elem, targ, settings );
+					}
+				});
+				$elem.animate( attr, opts );
+			}
+		});
+	};
+
+	// Max scrolling position, works on quirks mode
+	// It only fails (not too badly) on IE, quirks mode.
+	$scrollTo.max = function(elem, axis) {
+		var Dim = axis === 'x' ? 'Width' : 'Height',
+			scroll = 'scroll' + Dim;
+
+		if ( ! isWin( elem )) {
+			return elem[scroll] - $( elem )[Dim.toLowerCase()](); }
+
+		var size = 'client' + Dim,
+			doc = elem.ownerDocument || elem.document,
+			html = doc.documentElement,
+			body = doc.body;
+
+		return Math.max( html[scroll], body[scroll] ) - Math.min( html[size], body[size] );
+	};
+
+	function both(val) {
+		return $.isFunction( val ) || $.isPlainObject( val ) ? val : { top:val, left:val };
+	}
+
+	// Add special hooks so that window scroll properties can be animated
+	$.Tween.propHooks.scrollLeft = $.Tween.propHooks.scrollTop = {
+		get: function(t) {
+			return $( t.elem )[t.prop]();
+		},
+		set: function(t) {
+			var curr = this.get( t );
+			// If interrupt is true and user scrolled, stop animating
+			if (t.options.interrupt && t._last && t._last !== curr) {
+				return $( t.elem ).stop();
+			}
+			var next = Math.round( t.now );
+			// Don't waste CPU
+			// Browsers don't render floating point scroll
+			if (curr !== next) {
+				$( t.elem )[t.prop](next);
+				t._last = this.get( t );
+			}
+		}
+	};
+
+	// AMD requirement
+	return $scrollTo;
+});