body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #fff;
  color: #333;
}
header {
  background: #222;
  color: white;
  padding: 1em;
  display: flex;
  align-items: center;
}
.menu-icon {
  font-size: 24px;
  margin-right: 20px;
  cursor: pointer;
}
.sidebar {
  height: 100%;
  width: 250px;
  position: fixed;
  top: 0; left: -250px;
  background-color: #111;
  overflow-x: hidden;
  transition: 0.3s;
  padding-top: 60px;
  z-index: 10;
}
.sidebar.active {
  left: 0;
}
.sidebar a, .sidebar button {
  padding: 10px 30px;
  text-decoration: none;
  font-size: 18px;
  color: white;
  display: block;
  background: none;
  border: none;
  text-align: left;
}
.gallery {
  columns: 3 200px;
  column-gap: 1em;
  padding: 1em;
}
.photo {
  margin-bottom: 1em;
  position: relative;
}
.photo img {
  width: 100%;
  border-radius: 8px;
  cursor: pointer;
}
.photo button {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: black;
  color: white;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  border-radius: 5px;
}
#lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  justify-content: center;
  align-items: center;
}
#lightbox img {
  max-width: 90%;
  max-height: 90%;
  border: 4px solid white;
}
footer {
  text-align: center;
  background: #f4f4f4;
  padding: 1em;
}
.social a {
  margin: 0 10px;
  text-decoration: none;
  color: #555;
}
.donate-btn {
  background: #0070ba;
  color: white;
  padding: 8px 16px;
  border: none;
  margin-top: 1em;
  cursor: pointer;
  border-radius: 5px;
}
.dark {
  background: #222;
  color: #fff;
}
@media (max-width: 600px) {
  .gallery {
    columns: 1 100%;
  }
}
body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #fff;
  color: #333;
}
header {
  background: #222;
  color: white;
  padding: 1em;
  display: flex;
  align-items: center;
}
.menu-icon {
  font-size: 24px;
  margin-right: 20px;
  cursor: pointer;
}
.sidebar {
  height: 100%;
  width: 250px;
  position: fixed;
  top: 0; left: -250px;
  background-color: #111;
  overflow-x: hidden;
  transition: 0.3s;
  padding-top: 60px;
  z-index: 10;
}
.sidebar.active {
  left: 0;
}
.sidebar a, .sidebar button {
  padding: 10px