.glow {
  display: inline-block;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: box-shadow;
  transition-property: box-shadow;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  border-radius: 10px;
}
.glow:hover, .glow:focus, .glow:active {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.9);
  border-radius: 10px;
}

.grow {
  display: inline-block;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-property: transform;
  transition-property: transform;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
}
.grow:hover, .grow:focus, .grow:active {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}