Outline Dark

.btn-outline-dark {
  display: inline-block;
  padding: 12px 26px;
  border: 2px solid #0f172a;
  border-radius: 10px;
  background: transparent;
  color: #0f172a;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn-outline-dark:hover {
  background: #0f172a;
  color: #ffffff;
}
.btn-outline-dark:active {
  background: #1e293b;
}