Single color (no gradient) CSS3 buttons

dabblet.css

/**
 * Single color (no gradient) CSS3 buttons
 */

* {
	margin: 0;
	padding: 0;
}
 
html {
	background: #2e2e42;
	max-width: 300px;
	text-align: center;
	margin: 100px auto;
	-webkit-font-smoothing: antialiased;
}

.btn {
	display: inline-block;
	padding: 20px 40px;
	text-align:center;
	text-decoration: none;
	-moz-border-radius: 8px;
	-webkit-border-radius: 8px;
	border-radius: 8px;
	-moz-box-shadow:inset 0px -4px 0px rgba(0,0,0,0.3);
	-webkit-box-shadow:inset 0px -4px 0px rgba(0,0,0,0.3);
	box-shadow:inset 0px -4px 0px rgba(0,0,0,0.3);
	font-family: 'Proxima Nova', sans-serif;
	font-size: 14pt;
	color: #222;
	margin: 0 0 30px 0;
	-webkit-transition: all .1s ease-in-out;
	-moz-transition: all .1s ease-in-out;
	transition: all .1s ease-in-out;
}

.btn:hover {
	-webkit-transform: scale(1.04);
	-moz-transform: scale(1.04);
	-ms-transform: scale(1.04);
	-o-transform: scale(1.04);
	transform: scale(1.04);
}

.btn:active {
	-webkit-transform: scale(1);	
	-moz-transform: scale(1);
	-ms-transform: scale(1);
	-o-transform: scale(1);
	transform: scale(1);
}

.yellow.btn {
	background-color: #FFE000;
}

.red.btn {
	background-color: #ff5a00;
	color: #FFF;
}

.blue.btn {
	background-color: #00b4ff;
	color: #FFF;
}

.purple.btn {
	background-color: #b400ff;
	color: #FFF;
}

.dark.btn {
	background-color: #555;
	color: #CCC;
}

dabblet.html

<a href="#" class="yellow btn">Yellow belly</a>
<a href="#" class="red btn">Red sea</a>
<a href="#" class="blue btn">Open water</a>
<a href="#" class="dark btn">Silhouette</a>

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}