body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f5f5f5;
}

.header {
  text-align: center;
  margin-bottom: 30px;
}

.header h1 {
  color: #333;
  font-size: 2.5em;
  margin-bottom: 10px;
}

.year-section {
  margin-bottom: 40px;
  background-color: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.year-title {
  font-size: 2em;
  color: #2c3e50;
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid #3498db;
}

.meme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  justify-items: center;
}

.meme-item {
  background-color: #fff;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  max-width: 350px;
}

.meme-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.meme-image {
  width: 100%;
  height: 250px;
  object-fit: contain;
  border-radius: 5px;
  background-color: #f8f9fa;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.lazy-load {
  opacity: 0.7;
}

.fade-in {
  opacity: 1;
}

.username {
  text-align: center;
  margin-top: 10px;
  font-weight: bold;
  color: #2c3e50;
  font-size: 1.1em;
}

.loading {
  text-align: center;
  font-style: italic;
  color: #666;
}

.overlay {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  cursor: pointer;
}

.overlay-content {
  display: block;
  margin: auto;
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.overlay-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  z-index: 1001;
}

.overlay-close:hover {
  color: #ccc;
}

.overlay-username {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 1.2em;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

@media (max-width: 768px) {
  .meme-grid {
    grid-template-columns: 1fr;
  }

  .header h1 {
    font-size: 2em;
  }

  .year-title {
    font-size: 1.5em;
  }
}