.oew-effect-13 a {
  -webkit-transition: color 0.3s;
  -moz-transition: color 0.3s;
  transition: color 0.3s;
}

.oew-effect-13 a::before {
  position: absolute;
  top: 100%;
  left: 50%;
  color: transparent;
  content: '•';
  text-shadow: 0 0 transparent;
  font-size: 1.2em;
  -webkit-transition: text-shadow 0.3s, color 0.3s;
  -moz-transition: text-shadow 0.3s, color 0.3s;
  transition: text-shadow 0.3s, color 0.3s;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  transform: translateX(-50%);
  pointer-events: none;
}

.oew-effect-13 a:hover::before,
.oew-effect-13 a:focus::before {
  color: #13aff0;
  text-shadow: 10px 0 #13aff0, -10px 0 #13aff0;
}

.oew-effect-13 a:hover,
.oew-effect-13 a:focus {
  color: #13aff0;
}