HTML/CSS/Text/sup
Superscript and subscript
<source lang="html4strict">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>Superscript and subscript</title>
</head> <body>
a2 + b2 = c2
H2SO4
</body> </html>
</source>
To superscript text use sup tags
<source lang="html4strict">
<?xml version = "1.0"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns = "http://www.w3.org/1999/xhtml">
<head> </head> <body>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
You may download 3.14 x 102 </p>
</body>
</html>
</source>
vertical alignment for sub super
<source lang="html4strict">
<html>
<head>
<title></title>
<style type="text/css">
p {
font-size: 16px;
}
span {
font-size: 0.8em;
}
p#sub span {
vertical-align: sub;
}
p#super span {
vertical-align: super;
}
</style>
</head>
<body>
<p id="sub">
This is normal text. This is subscript text. This is normal text.
</p>
<p id="super">
This is normal text. This is superscript text. This is normal text.
</p>
</body>
</html>
</source>
