Update docs

docs/script-dir/jquery-ui.structure.min.css

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+/*! jQuery UI - v1.12.1 - 2018-12-06
+* http://jqueryui.com
+* Copyright jQuery Foundation and other contributors; Licensed MIT */
+
+.ui-helper-hidden{display:none}.ui-helper-hidden-accessible{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.ui-helper-reset{margin:0;padding:0;border:0;outline:0;line-height:1.3;text-decoration:none;font-size:100%;list-style:none}.ui-helper-clearfix:before,.ui-helper-clearfix:after{content:"";display:table;border-collapse:collapse}.ui-helper-clearfix:after{clear:both}.ui-helper-zfix{width:100%;height:100%;top:0;left:0;position:absolute;opacity:0;filter:Alpha(Opacity=0)}.ui-front{z-index:100}.ui-state-disabled{cursor:default!important;pointer-events:none}.ui-icon{display:inline-block;vertical-align:middle;margin-top:-.25em;position:relative;text-indent:-99999px;overflow:hidden;background-repeat:no-repeat}.ui-widget-icon-block{left:50%;margin-left:-8px;display:block}.ui-widget-overlay{position:fixed;top:0;left:0;width:100%;height:100%}.ui-autocomplete{position:absolute;top:0;left:0;cursor:default}.ui-menu{list-style:none;padding:0;margin:0;display:block;outline:0}.ui-menu .ui-menu{position:absolute}.ui-menu .ui-menu-item{margin:0;cursor:pointer;list-style-image:url("data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7")}.ui-menu .ui-menu-item-wrapper{position:relative;padding:3px 1em 3px .4em}.ui-menu .ui-menu-divider{margin:5px 0;height:0;font-size:0;line-height:0;border-width:1px 0 0 0}.ui-menu .ui-state-focus,.ui-menu .ui-state-active{margin:-1px}.ui-menu-icons{position:relative}.ui-menu-icons .ui-menu-item-wrapper{padding-left:2em}.ui-menu .ui-icon{position:absolute;top:0;bottom:0;left:.2em;margin:auto 0}.ui-menu .ui-menu-icon{left:auto;right:0}