CSS3 Buttons

buttons.css

.button, .button span {
	display: inline-block;
	-webkit-border-radius: 4px;
	-moz-border-radius: 4px;
	border-radius: 4px;
}
.button {
	white-space: nowrap;
	line-height:1em;
	position:relative;
	outline: none;
	overflow: visible; /* removes extra side padding in IE */
	cursor: pointer;
	border: 1px solid #999;/* IE */
	border: rgba(0, 0, 0, .2) 1px solid;/* Saf4+, Chrome, FF3.6 */
	border-bottom:rgba(0, 0, 0, .4) 1px solid;
	-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);
	-moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);
	box-shadow: 0 1px 2px rgba(0,0,0,.2);
	background: -moz-linear-gradient(
		center top,
		rgba(255, 255, 255, .1) 0%,
		rgba(0, 0, 0, .1) 100%
	);/* FF3.6 */
	background: -webkit-gradient(
		linear,
		center bottom,
		center top,
		from(rgba(0, 0, 0, .1)),
		to(rgba(255, 255, 255, .1))
	);/* Saf4+, Chrome */
	filter:  progid:DXImageTransform.Microsoft.gradient(startColorStr='#19FFFFFF', EndColorStr='#19000000'); /* IE6,IE7 */
	-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorStr='#19FFFFFF', EndColorStr='#19000000')"; /* IE8 */
	-moz-user-select: none;
	-webkit-user-select:none;
	-khtml-user-select: none;
	user-select: none;
	margin-bottom:10px;
}
.button.full, .button.full span {
	display: block;
}
.button:hover, .button.hover {
	background: -moz-linear-gradient(
		center top,
		rgba(255, 255, 255, .2) 0%,
		rgba(255, 255, 255, .1) 100%
	);/* FF3.6 */
	background: -webkit-gradient(
		linear,
		center bottom,
		center top,
		from(rgba(255, 255, 255, .1)),
		to(rgba(255, 255, 255, .2))
	);/* Saf4+, Chrome */
	filter:  progid:DXImageTransform.Microsoft.gradient(startColorStr='#33FFFFFF', EndColorStr='#19FFFFFF'); /* IE6,IE7 */
	-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorStr='#33FFFFFF', EndColorStr='#19FFFFFF')"; /* IE8 */
}
.button:active, .button.active {
	top:1px;
}
.button span {
	position: relative;
	color:#fff;
	text-shadow:0 1px 1px rgba(0, 0, 0, 0.25);
	border-top: rgba(255, 255, 255, .2) 1px solid;
	padding:0.6em 1.3em;
	line-height:1em;
	text-decoration:none;
	text-align:center;
	white-space: nowrap;
}

// Font sizes
.button.small span {
	font-size:12px;
}
.button.medium span {
	font-size:14px;
}
.button.large span {
	font-size:18px;
}

// Button Colors
.button.black {
	background-color: #333333;
}
.button.gray {
	background-color: #666666;
}
.button.white {
	background-color: #FFFFFF;
}
.button.white span{
	color: #666666;
}
.button.red {
	background-color: #e62727;
}
.button.orange {
	background-color: #ff5c00;
}
.button.magenta {
	background-color: #A9014B;
}
.button.yellow {
	background-color: #ffb515;
}
.button.blue {
	background-color: #00ADEE;
}
.button.pink {
	background-color: #e22092;
}
.button.green {
	background-color: #91bd09;
}
.button.rosy {
	background-color: #F16C7C;
}
.button.brown {
	background-color: #804000;
}
.button.purple {
	background-color: #800080;
}
.button.cyan {
	background-color: #46C7C7;
}
.button.gold {
	background-color: #D4A017;
}

yourfile.php

<a class="button small red" href="#"><span>Button</span></a>