how to add underline in css code example

Example 1: text-decoration css

h1 {
  text-decoration: overline;
}

h2 {
  text-decoration: line-through;
}

h3 {
  text-decoration: underline;
}

h4 {
  text-decoration: underline overline;
}

Example 2: css underline

text-decoration: underline;

Example 3: underline text using css

/* Using 'text-decoration' property with 'underline' value. we can draw underline below the text using css */
<style>
p {
  text-decoration: underline;
}
</style>
<p>Hello all Welcome here !!!</p>

Example 4: how to underline font in css

h3 {
  text-decoration: underline;
}