a {
  color: RGBA(255,205,57,var(--bs-link-opacity,1)) !important;
  text-decoration: none;
}

.box-link {
     border: 1px dashed grey;
     border-radius: 12px;
     width: 25%;
     margin: 3% 3% 0;
 }

.available:hover {
     border: 1px dashed yellow;
 }

.unavailable {
    opacity: 0.2;
}