text white border css code example

Example 1: html font white text with black border

h1 {
    color: yellow;
    text-shadow: -1px 0 black, 0 1px black, 1px 0 black, 0 -1px black;
}
<h1>Hello World</h1>

Example 2: css text color border

h1 {
  text-shadow: 1px 1px #ffffff;
}