.certificates {display: flex;flex-wrap: wrap;gap: 20px;}.certificates img {border: 1px solid #000;margin: 10px;width: 250px;height: 400px;}.modal {display: none;position: fixed;z-index: 9999;left: 0;top: 0;width: 100%;height: 100%;overflow: hidden;background-color: rgba(0,0,0,0.9);}.modal-content {display: block;margin: 5% auto;max-width: 800px !important;max-height: 80vh;border-radius: 10px;width:100%;height: 100%;}.close, .prev, .next {position: absolute;color: white;font-size: 40px;font-weight: bold;cursor: pointer;z-index: 10000;}.close {top: 20px;right: 35px;}.prev, .next {top: 50%;transform: translateY(-50%);padding: 16px;background-color: rgba(0,0,0,0.5);border-radius: 50%;user-select: none;}.prev {left: 20px;}.next {right: 20px;}@media (max-width: 1024px) {.certificates {justify-content: center;}.certificates img {width: 30vw;height: auto;}}@media (max-width: 768px) {.certificates img {width: 45vw;height: auto;}}@media (max-width: 480px) {.certificates img {width: 90vw;height: auto;}}