.loader{border:16px solid #f3f3f3;border-top:16px solid #3498db;border-radius:50%;width:120px;height:120px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}body{height:100%;background-image:url(https://wallpapercave.com/wp/wp7487243.jpg);background-position:top}.container-fluid{height:100%}.card-img-top{max-width:100%;height:200px;object-fit:cover;object-position:75% 25%}