.views-field.views-field-field-podcast-feed

{
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid #d4af37;
  text-decoration: none;
  display: inline-block; /* Add this */
  width: auto;           /* Optional but safe */
  margin:1rem;
}