body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #eee;
}
header {
  background: #333;
  color: #fff;
  padding: 1rem;
  text-align: center;
}
main {
  padding: 1rem;
}
#video-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}