Void Purple

.btn-void-purple {
  display: inline-block;
  padding: 12px 26px;
  border: 1px solid #312e81;
  border-radius: 10px;
  background: #13111c;
  color: #c4b5fd;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn-void-purple:hover {
  color: #ddd6fe;
  border-color: #4c1d95;
  box-shadow: 0 0 22px rgba(124, 58, 237, 0.35);
}
.btn-void-purple:active {
  background: #1a1727;
}