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.learn-contents-toggle:not(:is(tr,thead,tbody,tfoot)):before{background:var(--surface-fill-color,var(--surface-fill-secondary));mix-blend-mode:normal;-webkit-backdrop-filter:none;backdrop-filter:none}@media (forced-colors:active){.learn-contents-toggle:not(:is(tr,thead,tbody,tfoot)):before{mix-blend-mode:normal;-webkit-backdrop-filter:none;backdrop-filter:none;background:canvas}}.learn-contents-toggle:not(:is(tr,thead,tbody,tfoot)){--surface-fill-color:var(--surface-fill-tertiary);--surface-fill-overlay:var(--surface-fill-overlay-tertiary);--surface-fill-filter:url(#fill-tertiary-lift)}.learn-contents-toggle:not(:is(tr,thead,tbody,tfoot)):where([data-theme=light] 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:is(.learn-contents-toggle:is(tr)>:is(th,td),.learn-contents-toggle:is(thead,tbody,tfoot)>tr>:is(th,td)):before{background:var(--surface-fill-color,var(--surface-fill-secondary));mix-blend-mode:normal;-webkit-backdrop-filter:none;backdrop-filter:none}@media (forced-colors:active){:is(.learn-contents-toggle:is(tr)>:is(th,td),.learn-contents-toggle:is(thead,tbody,tfoot)>tr>:is(th,td)):before{mix-blend-mode:normal;-webkit-backdrop-filter:none;backdrop-filter:none;background:canvas}}.learn-contents-toggle:is(tr)>:is(th,td),.learn-contents-toggle:is(thead,tbody,tfoot)>tr>:is(th,td){--surface-fill-color:var(--surface-fill-tertiary);--surface-fill-overlay:var(--surface-fill-overlay-tertiary);--surface-fill-filter:url(#fill-tertiary-lift)}:is(.learn-contents-toggle:is(tr)>:is(th,td),.learn-contents-toggle:is(thead,tbody,tfoot)>tr>:is(th,td)):where([data-theme=light] 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