<h2 class="radikalwp-txt-outline">RADIKAL<//h2>

.radikalwp-txt-outline {
  margin: 0;
  font-size: 58px;
  font-weight: 900;
  letter-spacing: 4px;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 2px #6366f1;
  transition: color .4s ease;
  cursor: default;
}
.radikalwp-txt-outline:hover { color: #6366f1; }
@supports not (-webkit-text-stroke: 1px black) {
  .radikalwp-txt-outline {
    color: #6366f1;
    text-shadow: -1.5px -1.5px 0 #6366f1, 1.5px -1.5px 0 #6366f1, -1.5px 1.5px 0 #6366f1, 1.5px 1.5px 0 #6366f1;
  }
}