:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{box-sizing:border-box;width:100vw;min-height:100vh;background-image:url(../bg-veins.png);background-repeat:repeat;padding:4px;text-align:center}.main-container{max-width:1280px;height:100%;margin:0 auto;padding:0;display:flex;flex-direction:column}.navigation{width:100%}h1{margin:0;padding:0;color:#9ac;font-family:Franklin Gothic Medium,Arial Narrow,Arial,sans-serif;font-size:.9rem;text-align:left}.main-categories{margin:0 10px;font-family:Verdana,Geneva,Tahoma,sans-serif}.main-categories button{margin:2px;color:#ddf}.main-subjects{margin:10px;font-family:Courier New,Courier,monospace}.main-subjects button{margin:2px;color:#fed}.subject{display:flex;flex-wrap:wrap;justify-content:center}.subject .img-card{justify-self:center}.subject .container{flex:1 1 auto;max-width:700px;box-sizing:border-box;display:flex;flex-direction:column;text-align:left;padding:20px;font-family:Gill Sans,Gill Sans MT,Calibri,Trebuchet MS,sans-serif;font-size:1.2rem;gap:0px}.subject .container p{padding:2px;margin:2px;color:#aeb;text-shadow:-1px -1px 0 black,1px -1px 0 black,-1px 1px 0 black,1px 1px 0 black}@media (max-width: 768px){.subject .container{max-width:80%}}