.wrapper footer{padding:var(--vertical-rhythm) 0 0 0!important}.single-publication article.entry{overflow-x:hidden}.tooltip{position:relative}.tooltip:before{content:attr(data-text);position:absolute;top:40%;transform:translateY(-50%);left:0;margin-left:15px;width:100%;line-height:100%;padding:10px;border-radius:10px;background:var(--color-red);color:var(--color-black);text-align:center;display:none;font-size:1.4rem}.tooltip:hover:before{display:block}pre{background:#f5f5f5;padding:.5rem 1rem;border:1px dotted #a5a5a5}code{background:#f5f5f5;padding:0 .5rem;border:1px solid #a5a5a5;border-radius:3px}.thumbnail-wrapper{border-bottom:none;display:inline}.responsiville-lazymg{opacity:0;transition:0.2s opacity ease-in}.responsiville-lazymg.responsiville-lazymg-loaded{opacity:1}button{box-shadow:none!important}.post-box-wrapper+.post-box-wrapper{margin-top:var(--text-rhythm)}.publication-box{padding:var(--grid-gutter)}.publication-odd .publication-box{background:var(--color-gray-light-xx)}.publication-even .publication-box{background:var(--color-white)}.publication-box-image{text-align:center}.publication-box-image img{max-height:35rem}.publication-box-title{font-size:5rem;color:var(--color-gray-dark-x);padding-bottom:2rem;line-height:120%}.publication-box-description{font-size:2.5rem;line-height:120%;color:var(--color-gray-dark);padding-bottom:2rem;font-family:var(--font-sans-serif)}.publication-box-description .button{display:inline-block;font-size:1.5rem;margin:.5rem .5rem .5rem 0}.publication-box-excerpt{font-size:1.8rem;color:var(--color-gray-dark);padding-bottom:3rem;font-family:var(--font-sans-serif)}.publication-intro{background:var(--color-green);padding:calc(1.5 * var(--vertical-rhythm)) var(--grid-gutter);margin-top:calc(0.5 * var(--grid-gutter ));margin-bottom:var(--grid-gutter)}.publication-intro-inside{max-width:80rem;margin:0 auto}.large .publication-intro-inside{max-width:68rem}.publication-intro .publication-box-description,.publication-intro .publication-box-excerpt{color:var(--color-white)}.publication-intro .publication-box-excerpt{padding:0}.publication-level{padding:var(--grid-gutter);text-align:center;position:relative}.xlarge .publication-level{min-height:75rem}.publication-level.publication-level-even{background:var(--color-gray-light-xx)}.publication-level.publication-level-odd{background:var(--color-white)}.book-level-counter{font-family:var(--font-monospace);font-weight:700;position:absolute;bottom:-2.2rem;right:-4.8rem;font-size:50rem;z-index:0;line-height:100%;display:none}.laptop .book-level-counter{font-size:60rem;display:block}.large .book-level-counter{font-size:93rem}.publication-level.publication-level-even .book-level-counter{color:var(--color-white)}.publication-level.publication-level-odd .book-level-counter{color:var(--color-gray-light-xx)}.publication-level-title{font-size:5rem;color:var(--color-blue);position:relative;text-align:left;margin-bottom:calc(0.8 * var(--grid-gutter));padding-left:5rem}.laptop .publication-level-title{padding-left:0}.publication-level-title svg{position:absolute;left:-11rem;top:45%;transform:translateY(-50%);width:15rem}.laptop .publication-level-title svg{left:-16rem}.publication-level .button{min-width:26rem;height:6rem;line-height:6rem;position:relative;z-index:2}.publication-level-books-panel{margin:0 calc(-0.3 * var(--grid-gutter-small))}.publication-book{padding:0 calc(0.3 * var(--grid-gutter-small)) calc(0.8 * var(--grid-gutter)) calc(0.3 * var(--grid-gutter-small))!important;position:relative;z-index:1}figure.publication-book-image{position:relative;height:40.8rem}figure.publication-book-image img{object-position:50% 100%;object-fit:cover;width:100%}h3.publication-book-title{margin-top:var(--vertical-rhythm);line-height:100%}p.publication-book-description{font-family:var(--font-sans-serif);font-size:1.8rem;color:var(--color-gray-dark);margin-top:1rem}.teachers-material{padding:0 var(--grid-gutter-big) calc(2 * var(--vertical-rhythm)) var(--grid-gutter-big)}.material-publication{padding:1rem;border:.9rem solid var(--color-white)}.material-publication-box{height:100%;text-align:center}.material-publication-box-category{color:var(--color-white);margin-top:2rem;display:inline-block}.material-publication-box-category span{color:var(--color-white);padding:.2rem .5rem;font-size:1.6rem;font-family:var(--font-sans-serif-bold)}.material-publication:hover .material-publication-box-category span{color:var(--color-black)}.material-publication-box-category a{color:var(--color-white)}.material-publication:hover .material-publication-box-category a{color:var(--color-black)}.material-publication-box-title{color:var(--color-black);font-size:2.2rem;padding-top:1rem}.material-publication:hover .material-publication-box-title{color:var(--color-white);font-size:2.2rem;padding-top:1rem}.material-publication-box-excerpt{font-size:1.7rem;font-family:var(--font-sans-serif-normal);padding-top:1rem}.material-publication:hover a.material-publication-box-excerpt{color:var(--color-white)}.material-publication a.material-publication-box-image{color:var(--color-white);padding:2rem .8rem 3.5rem .8rem;display:block}.material-content{padding:0 0 calc(2 * var(--vertical-rhythm)) 0}.material-level{padding:var(--grid-gutter)}.material-level.material-level-even{background:var(--color-gray-light-xx)}.material-level.material-level-odd{background:var(--color-white)}.material-level-title{font-size:5rem;color:var(--color-blue);position:relative;text-align:left;margin-bottom:calc(0.5 * var(--grid-gutter));padding-left:5rem}.laptop .material-level-title{padding-left:0}.material-level-title svg{position:absolute;left:-11rem;top:45%;transform:translateY(-50%);width:15rem}.laptop .material-level-title svg{left:-16rem}.material-subcategory{padding:0 2rem 0 0}.material-subcategory h3.material-subcategory-title{font-size:2.4rem;color:var(--color-red);padding-bottom:2.3rem}.material-item a{font-size:1.8rem;color:var(--gray-dark-x);line-height:2.8rem;min-height:2.8rem;margin:.6rem 0;padding-left:3rem;position:relative}.material-item a span{font-size:1.8rem;color:var(--gray-dark-x);line-height:2.8rem;vertical-align:top;display:inline-block;padding-right:1rem;display:inline}.material-item svg{display:inline}.material-item svg polyline,.material-item svg path{fill:var(--color-gray)}svg.red-arrow{position:absolute;top:.3rem;left:0;width:2rem;height:2rem}svg.red-arrow path{fill:var(--color-red)}.pages{width:auto;text-align:center;margin-bottom:3rem}.pages a,.pages a:hover,.pages span{display:inline-block;padding:.2rem 1rem;margin:3rem 0;border:none;font-family:var(--font-sans-serif-normal)}.pages .current{font-family:var(--font-sans-serif-bold);background:var(--color-red);color:var(--color-white)}.popup{box-sizing:content-box}.popup-next,.popup-previous{top:45%}.contact-section .panel{padding:0 var(--grid-gutter-big) calc(2 * var(--vertical-rhythm)) var(--grid-gutter-big)}.contact-section .contact-map{margin-bottom:calc(2 * var(--vertical-rhythm));padding:0 var(--grid-gutter-big) calc(2 * var(--vertical-rhythm)) var(--grid-gutter-big);height:40rem!important}.contact-section .social{margin-top:3rem}.small-map{height:30rem!important;width:100%;margin-bottom:5rem}.tablet .right-contact-column{padding-left:var(--grid-gutter)!important}.search-box .post-box-content{margin-bottom:var(--grid-gutter)}.search-box .post-box-content{padding-left:0!important}.post-type-tag{font-family:var(--font-sans-serif-bold)}.post-type-publication .post-type-tag{color:var(--color-red)}.post-type-book .post-type-tag{color:var(--color-yellow)}.post-type-webinar .post-type-tag{color:var(--color-black)}.post-type-teacher_material .post-type-tag{color:var(--color-blue)}.post-type-page .post-type-tag{color:var(--color-black)}.post-type-post .post-type-tag{color:var(--color-black)}.search-box .post-box-title{position:relative}.zigzag{width:7rem;position:absolute;top:-.5rem;left:-8.6rem}.post-type-publication svg.zigzag polyline{stroke:var(--color-red)}.post-type-book svg.zigzag polyline{stroke:var(--color-yellow)}.post-type-webinar svg.zigzag polyline{stroke:var(--color-black)}.post-type-teacher_material svg.zigzag polyline,.post-type-student_material svg.zigzag polyline{stroke:var(--color-blue)}.post-type-page svg.zigzag polyline{stroke:var(--color-black)}.post-type-post svg.zigzag polyline{stroke:var(--color-black)}.bundles-page .products-archive .products-loop .products.bundle-selections{padding-left:0;padding-right:0;margin-top:3em}.bundles-page .products-archive .products-loop .products.bundle-selections li.product .title-column{padding-left:1em;padding-right:1em}.bundles-page .empty-state-box{background:#f4f4f4;padding:2em;width:fit-content}.bundles-page .empty-state-box .error-message{font-style:italic;color:var(--color-red)}