#preloader{display:none;justify-content:center;align-items:center;width:100%;height:150px;background:rgba(255,255,255,.8)}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #007bff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.flex{-webkit-box-flex:1;-moz-box-flex:1;box-flex:1;-webkit-flex:1 1 auto;flex:1 1 auto;padding:10px;margin:10px;text-align:center}.flex-s{max-width:100%;height:auto}@media (max-width:768px){.post-single-source{padding:5px;margin:5px}.flex-s{width:80%}}.crypto-highlight{color:green;font-weight:700}