a { text-decoration: none; }

.card { height: 15em; width: 15em; border: 2px solid green; border-radius: 3em; background: #ffd; }

.card .card-body { position: absolute; top: 0; left: 0%; height: 100%; width: 100%; }

.card .btn { width: 80%; border: 1px solid green; background: gold; color: green; font-size: 1.2em; font-family: serif; font-weight: bold; }

.card .card-text { margin-top: 2em; font-family: sans-serif; font-weight: bold; color: green; }