body {
  font-family: sans-serif;
  max-width: 900px;
  margin: 40px auto;
}

nav {
  margin-bottom: 20px;
}

nav a {
  margin-right: 15px;
  text-decoration: none;
  color: #0366d6;
}

nav a:hover {
  text-decoration: underline;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.item {
  position: relative;
}

img {
  width: 100%;
  border-radius: 8px;
}

button.delete {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.6);
  color: white;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
}