a.btn {
	background: #115aaa;
	color: #FFF;
	border-radius: 15px;
	-webkit-box-shadow: inset 2px 4px 4px rgba(18,84,127,0.5);
	box-shadow: outset 2px 2px 4px rgba(18,84,127,0.5);
	font-family: Arial, sans-serif;
	display: inline-block;
	line-height: 2.5em;
	padding: 0 3em;
	text-decoration: none;
}

.green.btn {
	background: -webkit-linear-gradient(#000,#BB66BB, 0.5);
	background: -moz-linear-gradient(#197519,#0066BB);
	background: -o-linear-gradient(#197519,#0066BB);
	background: -ms-linear-gradient(#197519,#0066BB);
	background: linear-gradient(#FFF,#BB66BB, 0.5);
	text-shadow: 1px 1px 1px #000;
}
.orange.btn {
	background: -webkit-linear-gradient(#FFA319,#E68A00);
	background: -moz-linear-gradient(#FFA319,#E68A00);
	background: -o-linear-gradient(#FFA319,#E68A00);
	background: -ms-linear-gradient(#FFA319,#E68A00);
	background: linear-gradient(#FFA319,#E68A00);
	text-shadow: 1px 1px 1px #E68A00;
}

.red.btn {
	background: -webkit-linear-gradient(#D60A0A,#B20808);
	background: -moz-linear-gradient(#D60A0A,#B20808);
	background: -o-linear-gradient(#D60A0A,#B20808);
	background: -ms-linear-gradient(#D60A0A,#B20808);
	background: linear-gradient(#D60A0A,#B20808);
	text-shadow: 1px 1px 1px #B20808;
}
.purple.btn {
	background: -webkit-linear-gradient(#D60A0A,#B20808);
	background: -moz-linear-gradient(#D60A0A,#B20808);
	background: -o-linear-gradient(#D60A0A,#B20808);
	background: -ms-linear-gradient(#D60A0A,#B20808);
	background: linear-gradient(#D60A0A,#B20808);
	text-shadow: 1px 1px 1px #B20808;
}
.blue.btn {
	background: -webkit-linear-gradient(#11A1D6,#0E86B2);
	background: -moz-linear-gradient(#11A1D6,#0E86B2);
	background: -o-linear-gradient(#11A1D6,#0E86B2);
	background: -ms-linear-gradient(#11A1D6,#0E86B2);
	background: linear-gradient(#11A1D6,#0E86B2);
	text-shadow: 1px 1px 1px #0E86B2;
}

.small.btn {
	line-height: 1.75em;
	padding: 0 1.5em;
}
.medium.btn {
	line-height: 2.15em;
	padding: 0 2em;
}
.large.btn {
	line-height: 3em;
	padding: 0 3.5em;
}

.btn:hover {
	-webkit-box-shadow: inset 0 1px 2px rgba(255,255,255,0.2), inset 0 1em 1em rgba(255,255,255,0.3);
	box-shadow: inset 0 1px 2px rgba(255,255,255,0.2), inset 0 1em 1em rgba(255,255,255,0.3);
}

.btn:active {
	-webkit-box-shadow: inset 0 1px 1px rgba(255,255,255,0.2), inset 0 1.5em 1em rgba(0,0,0,0.3);
	box-shadow: inset 0 1px 1px rgba(255,255,255,0.2), inset 0 1.5em 1em rgba(0,0,0,0.3);
}

.buttons {
	padding: 25px;
	text-align: center;
}