*{box-sizing:border-box}body{margin:0;background:#f2f2f2;color:#333;font:16px/1.65 Arial,sans-serif}a{color:#008acf;text-decoration:none}a:hover{text-decoration:underline}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.mast{background:#fff;padding:22px 0}.brand{font-size:28px;font-weight:bold;color:#1689c0}.bar{background:#1976a4}.bar nav{display:flex;flex-wrap:wrap;gap:0}.bar a{color:#fff;padding:9px 12px}.layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(220px,1fr);gap:24px;margin-top:24px}.card,.side{background:#fff;padding:28px}.side{align-self:start}.side a{display:block;border-bottom:1px solid #eee;padding:7px 0}h1,h2,h3{line-height:1.25;color:#222}h1{font-size:30px}h2{font-size:24px;margin-top:1.3em}p,li{overflow-wrap:anywhere}img{max-width:100%;height:auto}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid a{display:block;border:1px solid #eee;padding:14px;font-size:17px}.table-of-contents{background:#f5f5f5;padding:15px}.table-of-contents ol{padding-left:22px}.calc{background:#f4f8fa;padding:20px}.calc label{display:block;margin-bottom:10px}.calc input,.calc select{display:block;padding:8px;max-width:100%;width:100%}.calc button{padding:10px}.calc output{display:block;margin-top:10px}footer{padding:30px 0;color:#777}table{border-collapse:collapse;max-width:100%;display:block;overflow-x:auto}td,th{border:1px solid #ddd;padding:7px}@media(max-width:720px){.layout{grid-template-columns:1fr}.side{order:2}.card,.side{padding:20px}.grid{grid-template-columns:1fr}.bar nav{max-height:12rem;overflow:auto}h1{font-size:25px}}.bar{background:#5a80b1}.brand img{max-width:249px;max-height:49px}.su-posts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.su-post{border:1px solid #eee;padding:12px}.su-post h2{font-size:17px;margin:.3em 0}.comment{padding:12px 0;border-bottom:1px solid #eee}@media(max-width:720px){.su-posts{grid-template-columns:1fr}}