how to add a border to your text in css code example

Example 1: text border css

h1 {
  -webkit-text-stroke: 1px black;
}

Example 2: css text border

h1 {
  color: white;
  text-shadow:
   -1px -1px 0 #000,  
    1px -1px 0 #000,
    -1px 1px 0 #000,
     1px 1px 0 #000;
}