.button {
	display: inline-block;
	background-color: #4285f4;
	color: #fff;
	text-align: center;
	text-decoration: none;
	line-height: 54px;
	outline: none;
	padding: 5px 15px;
}
.button::before,
.button::after {
	position: absolute;
	z-index: -1;
	display: block;
	content: '';
}
.button,
.button::before,
.button::after {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	-webkit-transition: all .3s;
	transition: all .6s;
}

.button:hover {
	background-color: #bbcce9;
}

.b_center {
	text-align:center;
}

.micro {
	font-size:90%;
}