/* https://codepen.io/pyrografix/pen/xxBaYKO */
.glowing-button {
  border: none;
  outline: none;
  cursor: pointer;
  position: relative;
  z-index: 0;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.glowing-button:before {
  content: "";
  background: linear-gradient(
    90deg,
    #fff,
    transparent,
		 transparent,
		#fff

  );
  position: absolute;
  top: -2px;
  left: -2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(8px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing-button-animation 20s linear infinite;
  transition: opacity 0.3s ease-in-out;
  border-radius: 10px;
}

@keyframes glowing-button-animation {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 400% 0;
  }
}

.glowing-button:after {
  z-index: -1;
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  border-radius: 10px;
}