body {
  margin: 0;
  font-family: sans-serif;
  background: #111;
  color: #fff;
}
header, footer {
  background: #222;
  padding: 1em;
  text-align: center;
}
h1 {
  margin: 0;
  font-size: 1.8em;
}
.search-form {
  text-align: center;
  padding: 1em;
}
input[type="text"] {
  padding: 0.5em;
  width: 60%;
  max-width: 400px;
}
button {
  padding: 0.5em 1em;
}
.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1em;
  padding: 1em;
}
.thumb {
  background: #222;
  border-radius: 8px;
  padding: 10px;
  width: 200px;
}
.thumb img {
  width: 100%;
  border-radius: 4px;
}
.meta a {
  color: #0af;
  text-decoration: none;
  margin-right: 0.5em;
}
@media (max-width: 600px) {
  .thumb { width: 90%; }
  input[type="text"] { width: 80%; }
}