<p>
  <span>CSS Native</span>
  Text Stroke
</p>
<code>
  -webkit-text-stroke: 0.35vw #232323;
</code>

p{
  color:#ffdd40; /* text color */
  -webkit-text-stroke: 0.35vw #232323; /*stroke size and color */
  
  font-size:15vw;
  font-family: 'Crete Round', serif;
  text-align:center;
  margin:0;
}

span{
  display:block; 
  font-size:6vw; 
  -webkit-text-stroke: 0.22vw #232323;
}

code{font-size:3vw;}

body{
  display:flex;
  flex-direction:column;
  align-items: center;
  justify-content: center;
  height:100vh;
  margin:0;
  background:#ff3c41;
}

@import url('https://fonts.googleapis.com/css2?family=Crete+Round&display=swap');