triple outline

<style>

#text01 {
font-size: 1em;
text-shadow: -1px -1px 0 #fff, 1px -px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff;
-webkit-text-stroke:2px #000;
filter: drop-shadow(0px 1px #000) drop-shadow(0 -1px #000) drop-shadow(1px 0 #000) drop-shadow(-1px 0 #000);
}

</style>

<div id="text01">
triple outline
</div>