* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: sans-serif;
  font-size: 125%;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background: #eee;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #ccc;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header a {
  margin-left: 1rem;
  text-decoration: none;
  color: #333;
}

main {
  padding: 2rem 0;
}

h2 {
  padding: 4rem 0 0 0;
}
pre {
  font-size: 125%;
  background: #EEE;
}

kbd {
  font-size: 125%;
  background: #EEE;
  border-radius: 3px;
  padding: 2px 4px 2px 4px;
  border: 1px solid black;
  white-space: nowrap;
}



.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1rem;
}

.grid .text {
  flex: 1;
}

.grid video {
  max-width: 800px;
  width: 100%;
  height: auto;
}

footer {
  background: #222;
  color: #eee;
  padding: 1.5rem 0;
  margin-top: 3rem;
}

.footer-inner {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

footer a {
  color: #ccc;
  text-decoration: none;
}