body {
  font-family: sans-serif;
  padding: 20px;
  background: #f9f9f9;
}
h1 {
  margin-bottom: 10px;
}
#icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 15px;
}
.icon-item {
  text-align: center;
  font-size: 12px;
  cursor: pointer;
}
.icon-item img {
  width: 48px;
  height: 48px;
  margin-bottom: 5px;
}
.icon-item:hover {
  background-color: #eee;
  border-radius: 8px;
}