Glass Edge

.btn-glass-edge {
  display: inline-block;
  padding: 13px 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #ffffff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 8px 24px rgba(0, 0, 0, 0.25);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.btn-glass-edge:hover {
  border-color: rgba(255, 255, 255, 0.85);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 0 0 4px rgba(255, 255, 255, 0.15), 0 8px 24px rgba(0, 0, 0, 0.25);
}
.btn-glass-edge:active {
  background: rgba(255, 255, 255, 0.22);
}