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spinner{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes spinner{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}.pagination{gap:1rem;margin-top:4rem;text-align:center}.pagination,.pagination-arrow{-webkit-box-pack:center;-ms-flex-pack:center;-webkit-box-align:center;-ms-flex-align:center;-webkit-align-items:center;align-items:center;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-justify-content:center;justify-content:center}.pagination-arrow{border:2px solid var(--white);border-radius:50%;height:40px;-webkit-transition:all .3s ease;transition:all .3s ease;width:14px;width:40px}.pagination-arrow:disabled{opacity:.5;pointer-events:none}.pagination-arrow:hover{-webkit-transform:scale(1.05);transform:scale(1.05)}.pagination-arrow svg{fill:var(--white)}.pagination-link--disabled{opacity:.3;pointer-events:none}.chapters{-webkit-padding-end:2rem;-ms-flex-negative:0;border-right:1px solid hsla(0,0%,100%,.2);-webkit-flex-shrink:0;flex-shrink:0;max-width:300px;padding-inline-end:2rem}@media screen and (max-width:800px){.chapters{display:none}}.chapters-menu{-webkit-padding-start:2rem;list-style-type:decimal-leading-zero;padding-inline-start:2rem}.chapters-menu li a{-webkit-margin-after:.75rem;-ms-flex-item-align:start;-webkit-align-self:flex-start;align-self:flex-start;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;line-height:1.3;margin-block-end:.75rem}.chapters-menu .sub-menu{list-style:none}.chapters-menu .sub-menu li{line-height:1.3}.chapters-menu .menu-item-has-children{padding-right:2rem;position:relative}.chapters-menu .menu-item-has-children>.sub-menu{max-height:0;overflow:hidden;-webkit-transition:all .2s ease;transition:all .2s ease;visibility:hidden}.chapters-menu .menu-item-has-children--is-active>.sub-menu{max-height:9999px;visibility:visible}.chapters-menu .menu-item-has-children--is-active .chevron-icon svg{-webkit-transform:rotate(180deg);transform:rotate(180deg)}.chevron-icon svg{cursor:pointer;display:inline-block;position:absolute;right:0;top:.7rem;width:16px}[aria-current]{font-weight:500}.menu-chapters-container{position:-webkit-sticky;position:sticky;top:4rem}.chapters-mobile-container{display:none}@media screen and (max-width:800px){.chapters-mobile-container{-webkit-margin-after:2rem;border:1px solid var(--white);display:block;margin-block-end:2rem;padding:1rem}}.chapters-mobile-container h4{-webkit-box-align:center;-ms-flex-align:center;-webkit-box-pack:justify;-ms-flex-pack:justify;-webkit-align-items:center;align-items:center;cursor:pointer;display:-webkit-inline-box;display:-webkit-inline-flex;display:-ms-inline-flexbox;display:inline-flex;-webkit-justify-content:space-between;justify-content:space-between;margin:0;position:relative;width:100%}.chapters-mobile-container h4:after{content:" ↓";display:inline-block;-webkit-transform:scale(.8) translateX(.5rem);transform:scale(.8) translateX(.5rem)}.chapters-mobile-container .menu-chapters-container{max-height:0;opacity:0;visibility:hidden}.chapters-mobile-container--is-active .menu-chapters-container{-webkit-margin-before:1rem;margin-block-start:1rem;max-height:9999px;opacity:1;visibility:visible}.chapters-mobile-container--is-active h4:after{content:" ↑"}.hidden{display:none}.hidden--visually{clip:rect(1px 1px 1px 1px);clip:rect(1px,1px,1px,1px);-webkit-clip-path:inset(100%);clip-path:inset(100%);height:1px;overflow:hidden;position:absolute;white-space:nowrap;width:1px}.alignleft{float:left;margin:0 1rem 1rem 0}.alignright{float:right;margin:0 0 1rem 1rem}.aligncenter{margin:3rem auto}