The code reproduced is the one from Tympanus you can see here. The structure used is reproduced below.
<style>
/* textured text using clip */
.clipped {
/* -webkit-background-clip clips the background of the element to the text */
-webkit-text-fill-color: transparent; /* overrides the white text color in webkit browsers */
-webkit-background-clip: text;
}
.stroked {
-webkit-text-stroke-width: 1px;
-webkit-text-stroke-color: #2d7d4e;
}
</style>