Laser Line

.btn-laser-line {
  position: relative;
  display: inline-block;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: #e2e8f0;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.btn-laser-line::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 30%;
  height: 3px;
  border-radius: 2px;
  background: #22d3ee;
  box-shadow: 0 0 10px #22d3ee, 0 0 24px rgba(34, 211, 238, 0.7);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}
.btn-laser-line:hover::after {
  width: 100%;
}
.btn-laser-line:active {
  color: #67e8f9;
}