body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background-color: #f4f4f4;
  color: #333;
}

header {
  background-color: hsl(225, 41%, 37%);
  color: white;
  padding: 20px;
  text-align: center;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  padding: 40px;
  max-width: 1000px;
  margin: auto;
}

.app-card {
  background-color: white;
  border-radius: 8px;
  text-align: center;
  padding: 20px;
  text-decoration: none;
  color: #333;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  transition: transform 0.2s ease;
}

.app-card:hover {
  transform: scale(1.05);
}

.app-card img {
  width: 64px;
  height: 64px;
  margin-bottom: 10px;
}

.app-card span {
  display: block;
  font-weight: bold;
}