<p data-title="Бла бла">Бла бла</p>

p {
  font-size: 70px;
  font-weight: 700;
  text-transform: uppercase;
  font-family: Arial;
  position: relative;
}

p:after {
  content: attr(data-title);
  position: absolute;
  left: -3px;
  top: 3px;
  color: transparent;
  -webkit-text-stroke: 2px #000;
}