#svg-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px; /* space between grid items */
  justify-content: center; /* center items horizontally */
}

.grid-item {
  flex: 1 1 150px; /* grow, shrink, base width */
  max-width: 200px;
  padding: 8px;
  box-sizing: border-box;
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  text-align: center;
}

.grid-item:hover {
  background-color: #999999;
}

.selected {
  background-color: #777777;
}