body{font-family:Arial,sans-serif;background-color:khaki;color:#333;text-align:center}h1{margin-bottom:1rem}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1rem}.gallery-image{max-width:100%;cursor:pointer}.slider{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000;justify-content:center;align-items:center}.slider-image{max-width:100%;max-height:100%}.slider-close{position:absolute;top:1rem;right:1rem;background-color:khaki;border:none;font-size:1.2rem;cursor:pointer}@media (max-width:1024px){.gallery{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){.gallery{grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.gallery{grid-template-columns:1fr}}