body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
        }

        header {
            background-color: #333;
            color: white;
            padding: 1rem 2rem;
            text-align: center;
        }

        .portfolio-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1rem;
            padding: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .item {
            background: white;
            border: 1px solid #ddd;
            border-radius: 5px;
            overflow: hidden;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            transition: transform 0.2s ease-in-out;
        }

        .item:hover {
            transform: scale(1.05);
        }

        .item img, .item video {
            width: 100%;
            height: auto;
            display: block;
        }

        .item .description {
            padding: 1rem;
            text-align: center;
            font-size: 1rem;
        }
        .portfolio-item button {
  align-items: center;
}
.return-button {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
}

.return-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  color: #fff;
  background-color: gray;
  text-decoration: none;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

.return-link:hover {
  background-color: #1da1f2;
}