black in # css code example

Example 1: css underline color

u
{
	text-decoration: underline;
  	text-decoration-color: red;
}
example of use: (in html)

<p>The word <u>CAT</u>, is underlined </p>

Example 2: dotted underline css

.dotted { 
  border-bottom: 1px dotted; 
}

<p><span class="dotted">some text</span></p>