*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: #000;
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: #fff;
  text-decoration: underline;
}

a:hover {
  color: #ccc;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  border-right: 1px solid #333;
  padding: 24px 20px;
  flex-shrink: 0;
}

.sidebar h1 {
  font-size: 20px;
  margin: 0 0 18px 0;
  font-weight: 600;
}

.sidebar h1 a {
  text-decoration: none;
}

.sidebar nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar nav li {
  margin: 0 0 8px 0;
}

.sidebar nav a {
  text-decoration: none;
  display: block;
  padding: 4px 0;
}

.sidebar nav a:hover {
  text-decoration: underline;
}

.sidebar .play-button {
  display: inline-block;
  margin-top: 18px;
  padding: 8px 14px;
  border: 1px solid #fff;
  text-decoration: none;
  font-weight: 600;
}

.sidebar .play-button:hover {
  background: #fff;
  color: #000;
}

main {
  padding: 28px 36px;
  max-width: 820px;
  flex: 1;
}

main h1 {
  font-size: 28px;
  margin: 0 0 16px 0;
  font-weight: 600;
}

main h2 {
  font-size: 20px;
  margin: 28px 0 10px 0;
  font-weight: 600;
}

main h3 {
  font-size: 17px;
  margin: 20px 0 8px 0;
  font-weight: 600;
}

main p {
  margin: 0 0 14px 0;
}

main ul, main ol {
  margin: 0 0 14px 0;
  padding-left: 22px;
}

main li {
  margin: 0 0 6px 0;
}

.play-cta {
  display: inline-block;
  margin: 8px 0 20px 0;
  padding: 12px 22px;
  border: 1px solid #fff;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
}

.play-cta:hover {
  background: #fff;
  color: #000;
}

main table {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 14px 0;
  font-size: 15px;
}

main th, main td {
  border: 1px solid #444;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

main th {
  background: #111;
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 14px 0;
}

footer {
  border-top: 1px solid #333;
  margin-top: 36px;
  padding-top: 18px;
  font-size: 14px;
  color: #888;
}

footer a {
  color: #aaa;
}

@media (max-width: 720px) {
  .layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #333;
    padding: 18px 20px;
  }
  main {
    padding: 22px 20px;
  }
}