• uppercase: Alle letters worden groot geschreven = GROOT
• lowercase: Alle letters worden kleine geschreven = klein
• capitalize: Alle beginletters worden groot geschreven = Groot

HTML

<p class="uppercase">This is some text in uppercase.</p>
<p class="lowercase">This is some text in lowercase.</p>
<p class="capitalize">This is some text in capitalize.</p>

CSS

p.uppercase {
text-transform:uppercase;
}
p.lowercase {
text-transform:lowercase;
}
p.capitalize {
text-transform:capitalize;
}

CSS

/* --------------------------------------------------------------
   Reset
-------------------------------------------------------------- */

html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6,
p, blockquote, pre, a, abbr, acronym, address, code, del,
dfn, em, img, q, dl, dt, dd, ol, ul, li, fieldset, form, label,
legend, table, caption, tbody, tfoot, thead, tr, th, td {
margin: 0;
padding: 0;
border: 0;
font-weight: inherit;
font-style: inherit;
font-size: 100%;
font-family: inherit;
vertical-align: baseline;
}
body {
line-height: 1.5;
background: #fff;
margin: 1.5em 0;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
caption, th, td {
text-align: left;
font-weight:400;
}
blockquote:before, blockquote:after, q:before, q:after {
content: "";
}
blockquote, q {
quotes: "" "";
}
a img {
border: none;
}
input,textarea {
margin: 0;
}
/* Removes Firefox imposed outline */
a { outline: none; }
/* Clearing floats without extra markup  */
.wrapper {
display: inline-block;
}
.wrapper:after {
content: ".";
display: block;
height: 0;
clear: both;
visibility: hidden;
}
* html .wrapper { height: 1%; }
.wrapper { display: block; }
/* --------------------------------------------------------------
   Typography
-------------------------------------------------------------- */
/* This is where you set your desired font size. The line-heights
and vertical margins are automatically calculated from this.
The percentage is of 16px (0.75 * 16px = 12px). */
body { font-size: 75%; }
/* Default fonts and colors. */
body,h1,h2,h3,h4,h5,h6,p,ul,ol,dl,input,textarea {
font-family: Helvetica, Arial, sans-serif;
}
/* Headings
-------------------------------------------------------------- */
h1,h2,h3,h4,h5,h6 { font-weight: bold; }
h1 { font-size: 3em; line-height: 1; margin-bottom: 0.5em; }
h2 { font-size: 2em; margin-bottom: 0.75em; }
h3 { font-size: 1.5em; line-height: 1; margin-bottom: 1em; }
h4 { font-size: 1.2em; line-height: 1.25; margin-bottom: 1.25em; }
h5 { font-size: 1em; margin-bottom: 1.5em; }
h6 { font-size: 1em; }
/* Text elements
-------------------------------------------------------------- */
p { margin: 0 0 1.5em; }
ul, ol { margin: 0 1.5em 1.5em 1.5em; }
ul { list-style-type: circle; }
ol { list-style-type: decimal; }
dl { margin: 0 0 1.5em 0; }
dl dt { font-weight: bold; }
dl dd { margin-left: 1.5em; }
abbr, acronym { border-bottom: 1px dotted #000; }
address { margin-top: 1.5em; font-style: italic; }
del { color: #000; }
a { color: #009; text-decoration: none; }
a:hover { text-decoration: underline; }
blockquote { margin: 1.5em; }
strong { font-weight: bold; }
em, dfn { font-style: italic; }
dfn { font-weight: bold; }
pre, code { margin: 1.5em 0; white-space: pre; }
pre, code, tt { font: 1em monospace; line-height: 1.5; }
tt { display: block; margin: 1.5em 0; line-height: 1.5; }