.centerDiv {
  text-align: center;
}
       * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            padding: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .intro {
            margin-bottom: 2rem;
        }

        h1 {
            font-size: 2em;
            margin-bottom: 1rem;
            text-align: center;
        }

        p {
            margin-bottom: 1rem;
            font-size: 1.4em;
        }

        .tag-container {
            width: 100%;
            max-width: 400px;
            height: auto;
            margin: 1rem auto;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .tag-image {
            width: 100%;
            height: auto;
            max-width: 400px;
        }

        .tagcaption {
            text-align: center;
            margin: 0.5rem 0 1.5rem 0;
            font-size: 1.2em;
            font-weight: bold;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 2rem;
        }

        .svg-container {
            width: 100%;
            aspect-ratio: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .svg-image {
            width: 100%;
            height: 100%;
            object-fit: contain;
            max-width: 200px;
        }

        .caption {
            text-align: center;
            margin-top: 0.5rem;
            font-size: 0.9em;
            font-weight: bold;
        }

        @media (max-width: 1024px) {
            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            body {
                padding: 15px;
            }

            h1 {
                font-size: 2em;
            }
        }

        @media (max-width: 480px) {
            .gallery-grid {
                grid-template-columns: repeat(1, 1fr);
                gap: 15px;
            }

            .tag-container {
                height: auto;
            }

            body {
                padding: 10px;
            }

            h1 {
                font-size: 1.5em;
            }
        }