Fa fa underline

In this, we learn how to show underline icon in font awesome, How do i increase its size and change color.

Use this icon with its unicode.

Use this icon with select tag.

Use this icon with textarea tag.

And also use this icon with a tag.

fa fa-underline
<i class="fa fa-underline"></i>

fa fa-underline

increase icon size using inline css

increase icon size using font awesome classes

change icon color using inline css

use icon with html button tag

spin icon using font awesome fa-spin class

using unicode

Full Code
<!Doctype html>
	<title>font awesome underline icon</title>
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
	<h1 align="center">fa fa-underline</h1>
	<p>increase icon size using inline css</p>
		<i class="fa fa-underline"></i>
		<i class="fa fa-underline" style="font-size:20px"></i>
		<i class="fa fa-underline" style="font-size:30px"></i>
		<i class="fa fa-underline" style="font-size:40px"></i>
		<i class="fa fa-underline" style="font-size:50px"></i>
	<p>increase icon size using font awesome classes</p>
		<i class="fa fa-underline"></i>
		<i class="fa fa-underline fa-2x"></i>
		<i class="fa fa-underline fa-3x"></i>
		<i class="fa fa-underline fa-4x"></i>
		<i class="fa fa-underline fa-5x"></i>
	<p>change icon color using inline css</p>
		<i class="fa fa-underline"></i>
		<i class="fa fa-underline fa-2x" style="color:red"></i>
		<i class="fa fa-underline fa-3x" style="color:blue"></i>
		<i class="fa fa-underline fa-4x" style="color:green"></i>
	<p>use icon with html button tag</p>
	<p><button><i class="fa fa-underline" style="font-size:20px"></i> button</button></p>
	<p>spin icon using font awesome fa-spin class</p>
	<p><i class="fa fa-underline fa-spin" style="font-size:30px"></i></p>
	<p>using unicode</p>
	<p><i class="fa" style="font-size:25px"> &#xf0cd; </i></p>
Icon With Select Tag

With Select Tag

<h1 align="center">with select tag</h1>
<select style="width:100%;height:50px">
	<option>check icon</option>
	<option class="fa" style="font-size:25px"> &#xf0cd; fa fa-underline</option>
Icon With Textarea Tag

With Textarea Tag

<h1 align="center">with textarea tag</h1>
<textarea class="fa" style="width:100%;height:60px"> &#xf0cd; fa fa-underline</textarea>
Icon With Anchor Tag

With Anchor Tag

fa fa-underline
<h1 align="center">with anchor tag</h1>
<a href="#"><i class="fa fa-underline"></i> fa fa-underline</a>

More icons