body {
  font-family: sans-serif;
  margin: 0;
  background-color: #111;
  color: #eee;
}
header {
  background-color: #222;
  padding: 2rem;
  text-align: center;
  border-bottom: 2px solid #333;
}
h1 {
  margin: 0;
  font-size: 2.5rem;
}
section {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}
#app-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.app-card {
  background-color: #1a1a1a;
  border: 1px solid #333;
  padding: 1rem;
  border-radius: 10px;
  text-align: center;
}
.app-card img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}
a {
  text-decoration: none;
  color: #00c3ff;
}