#posts-container{margin:0 auto;display:flex;flex-wrap:wrap;justify-content:center}#load-more-btn{display:block;margin:20px auto;padding:10px 20px;background-color:#0073aa;color:#fff;border:none;cursor:pointer}#load-more-btn:hover{background-color:#005177}@keyframes flashAnimation{0%,100%{background-color:#fff0}50%{background-color:#ff9}}.flash-effect{animation:flashAnimation 3.5s}