@font-face {font-family:'PT Sans';font-style:normal;font-weight:400;src:local('PT Sans'),local('PTSans-Regular'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-regular.woff2') format('woff2'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-regular.woff') format('woff')}@font-face {font-family:'PT Sans';font-style:italic;font-weight:400;src:local('PT Sans Italic'),local('PTSans-Italic'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-italic.woff2') format('woff2'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-italic.woff') format('woff')}@font-face {font-family:'PT Sans';font-style:normal;font-weight:700;src:local('PT Sans Bold'),local('PTSans-Bold'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-700.woff2') format('woff2'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-700.woff') format('woff')}@font-face {font-family:'PT Sans';font-style:italic;font-weight:700;src:local('PT Sans Bold Italic'),local('PTSans-BoldItalic'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-700italic.woff2') format('woff2'),url('/extension/ncslet/design/amnh_redesign/stylesheets/../fonts/google/pt-sans-700italic.woff') format('woff')}:root {--black:#000;--black-70:rgba(0,0,0,0.7);--black-55:rgba(0,0,0,0.55);--black-40:rgba(0,0,0,0.4);--black-30:rgba(0,0,0,0.3);--card-purple-darker:#410052;--purple-dark:#381C86;--purple-dark-92:rgba(56,28,134,0.92);--card-purple-dark:#460073;--purple:#60c;--card-purple:#6900AD;--purple-lite:#9546FB;--card-purple-lite:#76568B;--blue-darkest:#006;--blue-darkest-48:rgba(0,0,102,0.48);--blue-darker:#0C5277;--blue-amnh:#004BB4;--blue:#0C6BCA;--blue-brite:#9ff;--green-darkest:#283e16;--green-darker:#4D7200;--green-dark:#74a609;--green:#AAD749;--green-off:#b5c789;--green-lite:#c5e979;--green-brite:#D9FF88;--orange:#FFBC3A;--yellow-dark:#BCB047;--yellow:#F7EB5C;--yellow-brite:#ffed42;--yellow-warm:#ffe56e;--yellow-lite:#FEF5AA;--yellow-litest:#FFFECF;--white:#fff;--xlarge:50px;--large:40px;--medium:20px;--small:10px;--xsmall:5px;--font-xlarge:38px;--font-large:26px;--font-xmedium:22px;--font-medium:20px;--font-small:16px;--font-xsmall:14px}.radius-7 {border-radius:7px}html {width:100%}html,body {background:var(--blue-amnh);color:var(--white);font-size:15px;line-height:1.25em;width:100%}body.olg_body,.olg_wrapper,button {font-family:'PT Sans',sans-serif}a {color:var(--blue-darkest);text-decoration:none}a:hover {text-decoration:underline}.olg_body p {padding:0;margin-bottom:1em}.olg_body p:last-child {margin-bottom:0}.olg_wrapper .push {display:none}.olg_wrapper .personal-header {line-height:50px;padding-right:5px}.olg_wrapper .twocol article.maincontent,.olg_wrapper article.span-two {width:auto;margin:0 auto}.olg_wrapper .twocol article.maincontent,.olg_wrapper article.span-two {max-width:900px;margin:20px auto;float:none;background:var(--blue-darkest);background:var(--blue-darkest-48);color:var(--white);padding:20px}.olg_wrapper .twocol article.maincontent a,.olg_wrapper article.span-two a {color:var(--yellow)}#recommendations-target-content {display:none !important}.before_after_block {max-width:1200px;margin:auto}.olg_band_wrapper {height:73px;background:url('/extension/ncslet/design/amnh_redesign/images/ology/yellowband_desktop_2x.png') repeat-x left bottom;background-size:100% 82px;color:var(--blue-darkest)}.olg_logo_wrapper,.ology_logo,.olg_menu_wrapper {display:inline-block;vertical-align:top}.ology_logo {overflow:hidden;line-height:350px;color:var(--white)}.olg_logo_wrapper {width:281px}.olg_subpage .olg_logo_wrapper {width:150px}.olg_homepage .ology_logo {width:281px;height:149px;background:url('/extension/ncslet/design/amnh_redesign/images/ology/ology_logo_home_desktop_2x.png') no-repeat left -9px;background-size:281px;position:relative;z-index:3}.olg_subpage .ology_logo {width:150px;height:81px;background:url('/extension/ncslet/design/amnh_redesign/images/ology/ology_logo_subpage_desktop_2x.png') no-repeat left -9px;background-size:150px;position:relative;z-index:3}.olg_header_wrapper a {text-decoration:none}.amnh_band_wrapper a {color:var(--white)}.amnh_band_wrapper a:hover {text-decoration:underline}#ology_logo_print img {width:200px;height:auto}.olg_menu_wrapper {width:130px;padding:15px 0 0 30px;position:relative;text-align:left;z-index:100}.olg_menu_wrapper .menu_btn_wrapper {width:130px;height:40px;background:var(--yellow-dark)}#ologyNav {font-size:24px;line-height:40px;font-weight:bold;text-align:center;padding:0;color:var(--blue-darkest);display:block;border:none;outline:none;width:100%;height:100%;position:relative;top:-4px;left:-4px;background:var(--yellow-litest)}#ologyNav:hover,#ologyNav:active,#ologyNav:focus {cursor:pointer;top:-3px;left:-3px;text-decoration:none !important}.olg_menu_wrapper .menu_btn_wrapper.active {background:var(--purple-dark);height:55px}.olg_menu_wrapper .menu_open,.olg_menu_wrapper .active .menu_close {display:inline-block;width:24px;height:24px;line-height:26px;color:var(--blue-darkest);padding:0;margin:7px 7px 0 0;float:right}.olg_menu_wrapper .menu_close,.olg_menu_wrapper .active .menu_open {display:none}.olg_menu_wrapper .active .menu_close {background:var(--yellow-litest)}.olg_menu_wrapper .active #ologyNav {top:-2px;left:-2px;background:var(--purple-lite);color:var(--yellow);height:55px}.olg_menu_wrapper .dropdown_wrapper {position:absolute;top:64px;z-index:100;left:30px;width:360px;height:auto;background:var(--purple-dark)}.dropdown {position:relative;top:-2px;left:-2px;width:100%;height:100%;background:var(--purple-lite);font-weight:bold;letter-spacing:0.2px;font-size:105%}.dropdown .inner {padding:14px 10px}.menu_activity_wrapper {overflow:hidden}.dropdown .activity_item {display:block;float:left;width:85px;height:85px;text-align:center;line-height:10px}.dropdown .activity_item .activity_link {display:block;width:81px;height:81px;margin:0 2px;background:var(--yellow-litest)}.dropdown .activity_item .activity_link:hover {background:var(--yellow)}.dropdown .activity_item .activity_icon {width:70px;padding:6px 0 3px}.menu_channel_wrapper {overflow:hidden;margin-top:10px}.menu_channel_wrapper .channel_col {float:left;width:50%}.menu_channel_wrapper .channel_col .inner {padding:0}.menu_channel_wrapper .left-col .inner {border-right:solid 2px var(--purple-lite)}.menu_channel_wrapper .right-col .inner {border-left:solid 2px var(--purple-lite)}.channel_group_title {background:var(--purple-dark);color:var(--yellow);text-transform:uppercase;height:20px;line-height:22px;padding:0 5px;font-size:90%}.channel_menu_item {background:var(--yellow-litest);height:38px;line-height:38px;border-top:solid 1px #f3f3f3;border-top:solid 1px rgba(255,255,255,0.6);border-bottom:solid 1px #eee;border-bottom:solid 1px rgba(0,0,0,0.1)}.channel_menu_item a {display:block;height:100%}.channel_menu_item:hover {background:var(--yellow)}.channel_menu_item .channel_icon {width:36px;height:36px;padding:1px 5px;float:left;vertical-align:middle}.olg_search_wrapper {float:right;padding:13px 5px 0 20px;overflow:hidden}.olg_search_form {padding:0;margin:0}.olg_search_wrapper .search_box,.olg_search_wrapper .search_btn_wrapper,.search_btn_wrapper .search_btn {display:inline-block;vertical-align:top}.olg_search_wrapper .search_box {padding:7px;width:195px;margin:0 10px 0 0;height:24px;line-height:24px;font-size:110%;border:solid 1px var(--yellow-dark);background:var(--yellow-litest);outline:none}.olg_search_wrapper .search_btn_wrapper {width:40px;height:40px;background:var(--yellow-dark)}.olg_search_wrapper .search_btn {box-sizing:content-box;border:none;width:100%;height:100%;line-height:100px;overflow:hidden;text-align:center;padding:0;margin:0;position:relative;top:-4px;left:-4px;background:var(--yellow-litest) url('/extension/ncslet/design/amnh_redesign/images/ology/ology_search_2x.png') no-repeat 4px 4px;background-size:32px;-webkit-appearance:none;opacity:1}.olg_search_wrapper .search_btn:hover:not([disabled]),.olg_search_wrapper .search_btn:active,.olg_search_wrapper .search_btn:focus {top:-2px;left:-2px;cursor:pointer}.search-mobile,#search_overlay {display:none}#search_overlay {position:fixed;top:0;bottom:0;left:0;right:0;background-color:var(--purple-dark-92);z-index:1000}#search_overlay .inner {width:100%;padding:60px 20px 0}#search_overlay .search_box {width:70%;margin:0 3% 0 0}.search_close {display:block;position:absolute;top:0;right:0;width:30px;height:30px;margin:15px;padding:0;font-size:22px;line-height:30px;background:var(--yellow-litest);color:var(--blue-darkest);border-radius:50%;border:none}#search_overlay .search_btn_wrapper {margin:0;padding:0}#search_helper {color:var(--white);padding:10px 0;font-style:italic}#breadcrumbs {background:var(--black-55);margin-bottom:30px}#breadcrumbs .amnh_width>.inner {padding:5px}#breadcrumbs h1,#breadcrumbs a {line-height:30px;font-size:17px;font-weight:normal;color:var(--white);text-decoration:none}#breadcrumbs a:hover {text-decoration:underline}.feature_thumbnail_wrapper {position:relative;line-height:0;padding-top:75.4%;background-size:cover}.type_wrapper {background:var(--purple);color:var(--white);font-size:14px;line-height:1;position:absolute;top:0;right:0;width:auto;padding:5px 6px;overflow:hidden;z-index:4;text-align:right}.highlight .type_wrapper,.slider_wrapper .type_wrapper {font-size:16px;font-weight:bold;padding:5px 6px 7px 8px}.slider_wrapper .type_wrapper {background:var(--purple-lite)}.olg_content_wrapper {width:100%;overflow:hidden;background:#0CF url('/extension/ncslet/design/amnh_redesign/images/ology/bg_ology_main.gif');color:var(--blue-darkest)}.olg_wrapper .social-share-links dd img {border-radius:18px}.olg_sitemap_wrapper .title {border-bottom-left-radius:0;border-bottom-right-radius:0}.olg_menu_wrapper .menu_btn_wrapper,#ologyNav,.dropdown_wrapper,.dropdown,.olg_search_wrapper .search_box,.search_btn_wrapper,.olg_search_wrapper 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{background:var(--black);background:var(--black-55);padding:0 20px;text-align:left;color:var(--white)}.related_features .related_header {text-transform:uppercase;margin:0;padding:35px 0 10px}.related_features .feature_list {padding:15px 0;overflow:hidden}.related_features .feature_item {float:left;width:320px;height:79px;margin:0 0 20px;overflow:hidden;font-size:95%;line-height:18px}.related_features .feature_list .hide_activity {display:none}.related_features .feature_item .inner {padding-right:15px}.related_features .feature_link {position:relative;display:block;color:var(--white)}.related_features .feature_link:hover {text-decoration:none !important}.related_features .title_link {display:block;padding:0 0 7px;font-weight:bold;color:var(--yellow-litest);text-decoration:underline !important}.related_features .feature_thumbnail_wrapper {width:100px;height:75px;padding-top:0;border:solid 2px var(--yellow-litest);float:left}.related_features .feature_caption {margin-left:115px}.footer_menu {display:block;background:var(--yellow) url('/extension/ncslet/design/amnh_redesign/images/ology/yellowband_footer_2x.png') repeat-x top;background-size:1px 26px;text-align:center;color:var(--blue-darkest);padding:15px 40px 5px}.footer_menu .menu_list {padding:0}.footer_menu .menu_item {list-style-type:none;margin:5px 0;padding:0 15px;display:inline-block;margin-right:-4px;border-right:solid 1px var(--blue-darkest)}.footer_menu .last {border-right:none}.footer_menu .menu_link {color:var(--blue-darkest);text-decoration:none}.footer_menu .menu_link:hover {text-decoration:underline}.olg_content_wrapper .OLogyCard {background:url('/extension/ncslet/design/amnh_redesign/images/ology/ology_card_asterisk.gif') no-repeat right top;background-size:16px;padding-right:18px;display:inline-block}.modaal-wrapper .modaal-content-container {padding:0}.modaal-wrapper:not(.amnh-modaal) .modaal-close {border:solid 2px 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{padding-left:5px}.olg_menu_wrapper .dropdown_wrapper {left:5px}}@media only screen and (max-width:666px) {.olg_band_wrapper {height:51px;background:url('/extension/ncslet/design/amnh_redesign/images/ology/yellowband_phone_2x.png') repeat-x top;background-size:100% 100%}.olg_logo_wrapper {width:134px}.olg_subpage .olg_logo_wrapper {width:100px}.olg_homepage .ology_logo {width:134px;height:74;background:url('/extension/ncslet/design/amnh_redesign/images/ology/ology_logo_home_phone_2x.png') no-repeat top left;background-size:100%}.olg_subpage .ology_logo {width:97px;height:55px;background:url('/extension/ncslet/design/amnh_redesign/images/ology/ology_logo_subpage_phone_2x.png') no-repeat top left;background-size:100%}.olg_search_wrapper {padding-top:5px}.olg_menu_wrapper {width:100px;float:right;position:static;padding:5px 10px 0 0}.olg_menu_wrapper .menu_btn_wrapper {width:100px;height:30px;margin:5px 0 0}#ologyNav {font-size:20px;line-height:30px}.olg_menu_wrapper .menu_open 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{margin-bottom:10px;width:100%}.dropdown .activity_item {width:25%;height:auto;line-height:16px}.dropdown .activity_item .activity_link {width:97%;height:auto}.dropdown .activity_item .activity_icon {width:85%}.channel_menu_item {height:auto;line-height:24px}.channel_menu_item a {padding:4px 0}.channel_menu_item .channel_icon {width:24px;height:24px}#search_overlay .inner {padding-left:10px}.footer_menu {padding:10px 0}.footer_menu .menu_item {width:48%;padding-left:2%}}@media only screen and (max-width:303px) {.olg_homepage .olg_logo_wrapper {width:100px;padding-top:11px}.olg_homepage .ology_logo {width:100%}.olg_search_wrapper {display:none}.olg_menu_wrapper {padding-right:10px}.dropdown {font-size:75%}.channel_menu_item {line-height:16px}.channel_menu_item .channel_icon {width:16px;height:16px}.social-share-links .gp {display:none}}@media print {@page {margin:2cm}* {color:var(--black) !important;border:none !important;box-shadow:none !important}*:not(.interactive_marker):not(.feature_thumbnail_wrapper) {background:none !important}.olg_content_wrapper:after {display:block;clear:both;content:"©AMNH. All rights reserved. www.amnh.org/ology";font-size:0.8em;text-align:center;margin-top:20px}#accessibilityNavigation,.amnh_band_wrapper,.olg_band_wrapper,#ologyContent,.olg_footer_wrapper,.related_features_wrapper,.carousel_wrapper .label_wrapper {display:none !important}#ology_logo_print {display:block !important}.olg_content_wrapper .OLogyCard {padding-right:0 !important}#breadcrumbs>.amnh_width {border-bottom:solid 1px var(--black) !important;padding-bottom:10px}#breadcrumbs h1,#breadcrumbs a {font-size:14px !important;line-height:1.1 !important}#breadcrumbs a:last-of-type:after {display:block;content:"www.amnh.org" attr(href)}}