.btn {
	position: relative;

	display: block;
	padding: 0;

	overflow: hidden;

	border-width: 0;
	outline: none;
	border-radius: 2px;
	box-shadow: rgba(0, 0, 0, 0.117647) 0px 1px 6px, rgba(0, 0, 0, 0.117647) 0px 1px 4px;

	background-color: #1976d2;	
	color: #FFFFFF;

	transition: background-color .45s;
	min-width: 200px;
	height: 36px;
	line-height: 36px;
}

.btn:hover, .btn:focus {
	background-color: #1565c0;
}

.btn > * {
	position: relative;
}

.btn span {
	user-select: none;
	display: block;
	position: relative;
	font-size: 12px;
	letter-spacing: 0px;
	text-transform: uppercase;
	font-weight: 600;
	opacity: 1;
	padding-left: 16px;
	padding-right: 16px;
}

.btn:before {
	content: "";

	position: absolute;
	top: 50%;
	left: 50%;

	display: block;
	width: 0;
	padding-top: 0;

	border-radius: 100%;

	background-color: rgba(236, 240, 241, .3);

	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
	-ms-transform: translate(-50%, -50%);
	-o-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
}

.btn:active:before {
	width: 120%;
	padding-top: 120%;

	transition: width .2s ease-out, padding-top .2s ease-out;
}

/* Styles, not important */
*, *:before, *:after {
	box-sizing: border-box;
}


.btn.yellow {
	background-color: #fbc02d;
	color: #FFFFFF;
}
.btn.yellow:hover, .btn.yellow:focus {
	background-color: #f9a825;
}

.btn.red {
	background-color: #d32f2f;
	color: #FFFFFF;
}
.btn.red:hover, .btn.red:focus {
	background-color: #c62828;
}

.btn.green {
	background-color: #388e3c;
	color: #FFFFFF;
}
.btn.green:hover, .btn.green:focus {
	background-color: #2e7d32;
}