#stem-accessibility{font-family:Arial,Helvetica,sans-serif;color:#20372d}
#stem-accessibility button{font:inherit;cursor:pointer;-webkit-appearance:none;letter-spacing:normal;text-transform:none;line-height:1.4}
#stem-accessibility button:focus-visible{outline:3px solid #007f7b;outline-offset:4px}
#stem-accessibility .stem-accessibility-launcher{position:fixed;left:18px;bottom:90px;z-index:10000;width:48px;height:48px;display:grid;place-items:center;border:2px solid #fff;border-radius:50%;background:#20372d;color:#fff;padding:0;box-shadow:0 2px 12px #0003}
#stem-accessibility-dialog{box-sizing:border-box;width:min(420px,calc(100vw - 28px));max-height:calc(100dvh - 32px);padding:24px;border:1px solid #d8ded7;border-radius:14px;background:#f8f8f4;color:#20372d;box-shadow:0 16px 60px #0003;overflow:auto}
#stem-accessibility-dialog::backdrop{background:#0005}
#stem-accessibility .stem-accessibility-header{display:flex;align-items:center;justify-content:space-between;gap:14px}
#stem-accessibility h2{font:600 21px/1.3 Arial,Helvetica,sans-serif;margin:0;color:#20372d;letter-spacing:normal}
#stem-accessibility [data-a11y-close]{border:0;background:transparent;color:#20372d;min-width:40px;min-height:40px;font-size:28px;border-radius:5px}
#stem-accessibility .stem-accessibility-intro{font:14px/1.5 Arial,Helvetica,sans-serif;margin:10px 0 20px}
#stem-accessibility .stem-accessibility-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
#stem-accessibility [data-a11y]{border:1px solid #ccd4ca;border-radius:9px;background:#fff;color:#20372d;padding:13px 8px;min-height:98px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;font-size:14px}
#stem-accessibility [data-a11y] span{font-size:23px;font-weight:600;line-height:1.2}
#stem-accessibility [data-a11y] small{font-size:12px}
#stem-accessibility [data-a11y][aria-pressed=true]{background:#20372d;color:#fff;border-color:#20372d}
#stem-accessibility .stem-accessibility-reset{width:100%;margin-top:18px;min-height:44px;border:1px solid #20372d;border-radius:7px;background:#20372d;color:#fff;font-size:14px}
html.stem-a11y-readable .transition-body :is(h1,h2,h3,h4,h5,h6,p,li,a,button,label,input,select,textarea,span,small,strong,em,summary,figcaption,blockquote){font-family:Arial,Helvetica,sans-serif!important}
html.stem-a11y-spacing .transition-body :is(p,li,a,label,small,figcaption,blockquote){line-height:1.9!important}
html.stem-a11y-links .transition-body a{outline:2px solid currentColor!important;outline-offset:3px;text-decoration:underline!important;text-underline-offset:4px}
html.stem-a11y-contrast .transition-body :is(div,main,section,article,header,footer,nav,h1,h2,h3,h4,h5,h6,p,li,span,small,strong,em,a,button,label,input,select,textarea,summary,figcaption,blockquote){background:#000!important;background-image:none!important;color:#fff!important;border-color:#fff!important;text-shadow:none!important}
html.stem-a11y-motion *,html.stem-a11y-motion *::before,html.stem-a11y-motion *::after{animation-play-state:paused!important;transition:none!important;scroll-behavior:auto!important}
@media(max-width:749px){#stem-accessibility .stem-accessibility-launcher{width:44px;height:44px;left:12px;bottom:100px}#stem-accessibility-dialog{padding:20px}}

#stem-accessibility-dialog{width:min(500px,calc(100vw - 28px))}
#stem-accessibility details{font:14px/1.6 Arial,sans-serif;margin-top:20px}
#stem-accessibility summary{cursor:pointer;text-decoration:underline}
#stem-accessibility details p{margin:12px 0}
#stem-page-structure ul{padding-left:20px}
#stem-page-structure button{border:0;background:transparent;color:#20372d;text-align:left;text-decoration:underline;padding:7px}
.stem-accessibility-footer-link{background:transparent;border:0;text-decoration:underline;cursor:pointer;color:inherit;font:inherit;padding:12px}
html.stem-a11y-cursor .transition-body,html.stem-a11y-cursor .transition-body *{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='48' viewBox='0 0 40 48'%3E%3Cpath d='M3 2v36l10-9 8 16 7-4-8-15h14z' fill='black' stroke='white' stroke-width='3'/%3E%3C/svg%3E") 3 2,auto!important}
html.stem-a11y-images .transition-body :is(img,video,canvas,svg){visibility:hidden!important}
html.stem-a11y-images .transition-body *{background-image:none!important}
html.stem-a11y-letter .transition-body :is(p,li,a,h1,h2,h3,h4,label,button){letter-spacing:.12em!important;word-spacing:.16em!important}
#stem-reading-guide{position:fixed;left:0;right:0;top:45vh;height:4px;background:#007f7b;z-index:9998;pointer-events:none;display:none}
html.stem-a11y-line #stem-reading-guide{display:block}
html.stem-a11y-mask #stem-reading-guide{display:block;height:100px;background:transparent;border-top:3px solid #007f7b;border-bottom:3px solid #007f7b;box-shadow:0 -100vh 0 100vh #0009,0 100vh 0 100vh #0009}

html.stem-a11y-mask #stem-reading-guide{box-shadow:none}
html.stem-a11y-mask #stem-reading-guide::before,html.stem-a11y-mask #stem-reading-guide::after{content:"";position:absolute;left:0;right:0;height:100vh;background:#0009}
html.stem-a11y-mask #stem-reading-guide::before{bottom:100%}
html.stem-a11y-mask #stem-reading-guide::after{top:100%}