/* Common button styles */
.button {
	float: left;
	/* min-width: 150px;
	max-width: 250px; */
	display: block;
	/* margin: 1em; */
	/* padding: 1em 2em;
	 */
	border: none;
	background: none;
	color: inherit;
	vertical-align: middle;
	position: relative;
	z-index: 1;
	-webkit-backface-visibility: hidden;
	-moz-osx-font-smoothing: grayscale;
}
.button:focus {
	outline: none;
}
.button > span {
	vertical-align: middle;
}

/* Text color adjustments (we could stick to the "inherit" but that does not work well in Safari) */
.bg-1 .button {
	color: #37474f;
	border-color: #37474f;
}
.bg-2 .button {
	color: #ECEFF1;
	border-color: #ECEFF1;
}
.bg-3 .button {
	color: #fff;
	border-color: #fff;
}

/* Typography and Roundedness */
.button--text-upper {
	letter-spacing: 2px;
	text-transform: uppercase;
}
.button--round-s {
	border-radius: 5px;
}
.button--round-m {
	border-radius: 15px;
}
.button--round-l {
	border-radius: 40px;
}

/* Borders */
.button--border-thin {
	border: 1px solid;
}
.button--border-medium {
	border: 2px solid;
}
.button--border-thick {
	border: 3px solid;
}

/* Individual button styles */

/* Wayra */
.button--wayra {
	overflow: hidden;
	/* width: 245px; */
	-webkit-transition: border-color 0.3s, color 0.3s;
	transition: border-color 0.3s, color 0.3s;
	-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}
.button--wayra::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 150%;
	height: 100%;
	background: #37474f;
	z-index: -1;
	-webkit-transform: rotate3d(0, 0, 1, -45deg) translate3d(0, -3em, 0);
	transform: rotate3d(0, 0, 1, -45deg) translate3d(0, -3em, 0);
	-webkit-transform-origin: 0% 100%;
	transform-origin: 0% 100%; 
	/* transform-origin设置旋转元素基点位置 */
	-webkit-transition: -webkit-transform 0.3s, opacity 0.3s, background-color 0.3s;
	transition: transform 0.3s, opacity 0.3s, background-color 0.3s;
}
.button--wayra:hover {
	color: #fff;
	border-color: #fff;
	font-weight: normal;
}
.button--wayra.button--inverted:hover {
	color:#344408;
	border-color: #fff;
}
.button--wayra:hover::before {
	opacity: 1;
	background-color: #fff;
	-webkit-transform: rotate3d(0, 0, 1, 0deg);
	transform: rotate3d(0, 0, 1, 0deg);
	-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	/*transition-timing-function 以相同的速度从开始到结束的过渡效果： */
}
.button--wayra.button--inverted:hover::before {
	background-color: #fff;
	
}