/*：本代码只用作演示,不是源码。源码下载链接: http://www.bootstrapmb.com/item/4118(此说明不在下载的源码里，只用在演示页面里)*//* 	Main Content*/.column { position: relative; }.column:nth-child(2) { box-shadow: -1px 0 0 rgba(0,0,0,0.1); }.md-trigger { position: relative; }.md-setperspective { position: relative; }strong { color: #ee3d50; }.md-modal {	position: fixed;	top: 50%;	left: 50%;	width: 50%;	max-width: 630px;	min-width: 320px;	height: auto;	z-index: 2000;	visibility: hidden;	-webkit-backface-visibility: hidden;	-moz-backface-visibility: hidden;	backface-visibility: hidden;	-webkit-transform: translateX(-50%) translateY(-50%);	-moz-transform: translateX(-50%) translateY(-50%);	-ms-transform: translateX(-50%) translateY(-50%);	transform: translateX(-50%) translateY(-50%);}.md-show { visibility: visible; }.md-overlay {	position: fixed;	width: 100%;	height: 100%;	visibility: hidden;	top: 0;	left: 0;	z-index: 1;	opacity: 0;	background: rgba(79, 81, 99, .6);	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show ~ .md-overlay {	opacity: 1;	visibility: visible;}/* 	Content styles */.md-content {	color: #fff;	background: #816cfd;	position: relative;	border-radius: 3px;	margin: 0 auto;}.md-content h3 {	margin: 0;	padding: 0.4em;	text-align: center;	font-size: 24px;	font-weight: 300;	background: #ffffff;    color: #e95f2b;	border-radius: 3px 3px 0 0;}.md-content >div {	padding: 15px 40px 30px;	margin: 0;	font-weight: 300;	font-size: 1.15em;    background-color: #fff;    color: #3b3f5c;}.md-content >div p {	margin: 0;	padding: 10px 0;	color: #24ccda;    font-size: 15px;    text-align: center;}.md-content >div ul {	margin: 0;	padding: 0 0 30px 20px;}.md-content >div ul li {	padding: 8px 0;	font-size: 15px;}.md-content button {	display: block;	margin: 0 auto;	font-size: 15px;}/*	Individual modal styles with animations/transitions*//*	Effect 1: Fade in and scale up*/.md-effect-1 .md-content {	-webkit-transform: scale(0.7);	-moz-transform: scale(0.7);	-ms-transform: scale(0.7);	transform: scale(0.7);	opacity: 0;	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show.md-effect-1 .md-content {	-webkit-transform: scale(1);	-moz-transform: scale(1);	-ms-transform: scale(1);	transform: scale(1);	opacity: 1;}/*	Effect 2: Slide from the right*/.md-effect-2 .md-content {	-webkit-transform: translateX(20%);	-moz-transform: translateX(20%);	-ms-transform: translateX(20%);	transform: translateX(20%);	opacity: 0;	-webkit-transition: all 0.3s cubic-bezier(0.25, 0.5, 0.5, 0.9);	-moz-transition: all 0.3s cubic-bezier(0.25, 0.5, 0.5, 0.9);	transition: all 0.3s cubic-bezier(0.25, 0.5, 0.5, 0.9);}.md-show.md-effect-2 .md-content {	-webkit-transform: translateX(0);	-moz-transform: translateX(0);	-ms-transform: translateX(0);	transform: translateX(0);	opacity: 1;}/*	Effect 3: Slide from the bottom*/.md-effect-3 .md-content {	-webkit-transform: translateY(20%);	-moz-transform: translateY(20%);	-ms-transform: translateY(20%);	transform: translateY(20%);	opacity: 0;	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show.md-effect-3 .md-content {	-webkit-transform: translateY(0);	-moz-transform: translateY(0);	-ms-transform: translateY(0);	transform: translateY(0);	opacity: 1;}/* 	Effect 4: Newspaper*/.md-effect-4 .md-content {	-webkit-transform: scale(0) rotate(720deg);	-moz-transform: scale(0) rotate(720deg);	-ms-transform: scale(0) rotate(720deg);	transform: scale(0) rotate(720deg);	opacity: 0;}.md-show.md-effect-4 ~ .md-overlay, .md-effect-4 .md-content {	-webkit-transition: all 0.5s;	-moz-transition: all 0.5s;	transition: all 0.5s;}.md-show.md-effect-4 .md-content {	-webkit-transform: scale(1) rotate(0deg);	-moz-transform: scale(1) rotate(0deg);	-ms-transform: scale(1) rotate(0deg);	transform: scale(1) rotate(0deg);	opacity: 1;}/* 	Effect 5: fall*/.md-effect-5.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-5 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: translateZ(600px) rotateX(20deg); 	-moz-transform: translateZ(600px) rotateX(20deg); 	-ms-transform: translateZ(600px) rotateX(20deg); 	transform: translateZ(600px) rotateX(20deg); 	opacity: 0;}.md-show.md-effect-5 .md-content {	-webkit-transition: all 0.3s ease-in;	-moz-transition: all 0.3s ease-in;	transition: all 0.3s ease-in;	-webkit-transform: translateZ(0px) rotateX(0deg);	-moz-transform: translateZ(0px) rotateX(0deg);	-ms-transform: translateZ(0px) rotateX(0deg);	transform: translateZ(0px) rotateX(0deg); 	opacity: 1;}/*	Effect 6: side fall*/.md-effect-6.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-6 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: translate(30%) translateZ(600px) rotate(10deg); 	-moz-transform: translate(30%) translateZ(600px) rotate(10deg);	-ms-transform: translate(30%) translateZ(600px) rotate(10deg);	transform: translate(30%) translateZ(600px) rotate(10deg); 	opacity: 0;}.md-show.md-effect-6 .md-content {	-webkit-transition: all 0.3s ease-in;	-moz-transition: all 0.3s ease-in;	transition: all 0.3s ease-in;	-webkit-transform: translate(0%) translateZ(0) rotate(0deg);	-moz-transform: translate(0%) translateZ(0) rotate(0deg);	-ms-transform: translate(0%) translateZ(0) rotate(0deg);	transform: translate(0%) translateZ(0) rotate(0deg);	opacity: 1;}/*	Effect 7:  slide and stick to top*/.md-effect-7{	top: 0;	-webkit-transform: translateX(-50%);	-moz-transform: translateX(-50%);	-ms-transform: translateX(-50%);	transform: translateX(-50%);}.md-effect-7 .md-content {	-webkit-transform: translateY(-200%);	-moz-transform: translateY(-200%);	-ms-transform: translateY(-200%);	transform: translateY(-200%);	-webkit-transition: all .3s;	-moz-transition: all .3s;	transition: all .3s;	opacity: 0;}.md-show.md-effect-7 .md-content {	-webkit-transform: translateY(0%);	-moz-transform: translateY(0%);	-ms-transform: translateY(0%);	transform: translateY(0%);	border-radius: 0 0 3px 3px;	opacity: 1;}/*	Effect 8: 3D flip horizontal*/.md-effect-8.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-8 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: rotateY(-70deg);	-moz-transform: rotateY(-70deg);	-ms-transform: rotateY(-70deg);	transform: rotateY(-70deg);	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;	opacity: 0;}.md-show.md-effect-8 .md-content {	-webkit-transform: rotateY(0deg);	-moz-transform: rotateY(0deg);	-ms-transform: rotateY(0deg);	transform: rotateY(0deg);	opacity: 1;}/*	Effect 9: 3D flip vertical*/.md-effect-9.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-9 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: rotateX(-70deg);	-moz-transform: rotateX(-70deg);	-ms-transform: rotateX(-70deg);	transform: rotateX(-70deg);	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;	opacity: 0;}.md-show.md-effect-9 .md-content {	-webkit-transform: rotateX(0deg);	-moz-transform: rotateX(0deg);	-ms-transform: rotateX(0deg);	transform: rotateX(0deg);	opacity: 1;}/*	Effect 10: 3D sign*/.md-effect-10.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-10 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: rotateX(-60deg);	-moz-transform: rotateX(-60deg);	-ms-transform: rotateX(-60deg);	transform: rotateX(-60deg);	-webkit-transform-origin: 50% 0;	-moz-transform-origin: 50% 0;	transform-origin: 50% 0;	opacity: 0;	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show.md-effect-10 .md-content {	-webkit-transform: rotateX(0deg);	-moz-transform: rotateX(0deg);	-ms-transform: rotateX(0deg);	transform: rotateX(0deg);	opacity: 1;}/*	Effect 11: Super scaled*/.md-effect-11 .md-content {	-webkit-transform: scale(2);	-moz-transform: scale(2);	-ms-transform: scale(2);	transform: scale(2);	opacity: 0;	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show.md-effect-11 .md-content {	-webkit-transform: scale(1);	-moz-transform: scale(1);	-ms-transform: scale(1);	transform: scale(1);	opacity: 1;}/*	Effect 12:  Just me*/.md-effect-12 .md-content {	-webkit-transform: scale(0.8);	-moz-transform: scale(0.8);	-ms-transform: scale(0.8);	transform: scale(0.8);	opacity: 0;	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show.md-effect-12 ~ .md-overlay { background: #4f5163; }.md-effect-12 .md-content h3, .md-effect-12 .md-content { background: #fff; }.md-show.md-effect-12 .md-content {	-webkit-transform: scale(1);	-moz-transform: scale(1);	-ms-transform: scale(1);	transform: scale(1);	opacity: 1;}/*	Effect 13: 3D slit*/.md-effect-13.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-13 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: translateZ(-3000px) rotateY(90deg);	-moz-transform: translateZ(-3000px) rotateY(90deg);	-ms-transform: translateZ(-3000px) rotateY(90deg);	transform: translateZ(-3000px) rotateY(90deg);	opacity: 0;}.md-show.md-effect-13 .md-content {	-webkit-animation: slit .7s forwards ease-out;	-moz-animation: slit .7s forwards ease-out;	animation: slit .7s forwards ease-out;}@-webkit-keyframes slit {	50% { -webkit-transform: translateZ(-250px) rotateY(89deg); opacity: .5; -webkit-animation-timing-function: ease-out;}	100% { -webkit-transform: translateZ(0) rotateY(0deg); opacity: 1; }}@-moz-keyframes slit {	50% { -moz-transform: translateZ(-250px) rotateY(89deg); opacity: .5; -moz-animation-timing-function: ease-out;}	100% { -moz-transform: translateZ(0) rotateY(0deg); opacity: 1; }}@keyframes slit {	50% { transform: translateZ(-250px) rotateY(89deg); opacity: 1; animation-timing-function: ease-in;}	100% { transform: translateZ(0) rotateY(0deg); opacity: 1; }}/*	Effect 14:  3D Rotate from bottom*/.md-effect-14.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-14 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: translateY(100%) rotateX(90deg);	-moz-transform: translateY(100%) rotateX(90deg);	-ms-transform: translateY(100%) rotateX(90deg);	transform: translateY(100%) rotateX(90deg);	-webkit-transform-origin: 0 100%;	-moz-transform-origin: 0 100%;	transform-origin: 0 100%;	opacity: 0;	-webkit-transition: all 0.3s ease-out;	-moz-transition: all 0.3s ease-out;	transition: all 0.3s ease-out;}.md-show.md-effect-14 .md-content {	-webkit-transform: translateY(0%) rotateX(0deg);	-moz-transform: translateY(0%) rotateX(0deg);	-ms-transform: translateY(0%) rotateX(0deg);	transform: translateY(0%) rotateX(0deg);	opacity: 1;}/*	Effect 15:  3D Rotate in from left*/.md-effect-15.md-modal {	-webkit-perspective: 1300px;	-moz-perspective: 1300px;	perspective: 1300px;}.md-effect-15 .md-content {	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;	-webkit-transform: translateZ(100px) translateX(-30%) rotateY(90deg);	-moz-transform: translateZ(100px) translateX(-30%) rotateY(90deg);	-ms-transform: translateZ(100px) translateX(-30%) rotateY(90deg);	transform: translateZ(100px) translateX(-30%) rotateY(90deg);	-webkit-transform-origin: 0 100%;	-moz-transform-origin: 0 100%;	transform-origin: 0 100%;	opacity: 0;	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show.md-effect-15 .md-content {	-webkit-transform: translateZ(0px) translateX(0%) rotateY(0deg);	-moz-transform: translateZ(0px) translateX(0%) rotateY(0deg);	-ms-transform: translateZ(0px) translateX(0%) rotateY(0deg);	transform: translateZ(0px) translateX(0%) rotateY(0deg);	opacity: 1;}/*	Effect 16:  Blur*/.md-show.md-effect-16 ~ .md-overlay { background: rgba(79, 81, 99, .6); }.md-show.md-effect-16 ~ .container {	-webkit-filter: blur(3px);	-moz-filter: blur(3px);	filter: blur(3px);}.md-effect-16 .md-content {	-webkit-transform: translateY(-5%);	-moz-transform: translateY(-5%);	-ms-transform: translateY(-5%);	transform: translateY(-5%);	opacity: 0;}.md-show.md-effect-16 ~ .container,.md-effect-16 .md-content {	-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;	transition: all 0.3s;}.md-show.md-effect-16 .md-content {	-webkit-transform: translateY(0);	-moz-transform: translateY(0);	-ms-transform: translateY(0);	transform: translateY(0);	opacity: 1;}/*	Effect 17:  Slide in from bottom with perspective on container*/.md-show.md-effect-17 ~ .container {	height: 100%;	overflow: hidden;	-webkit-transition: -webkit-transform 0.3s;	-moz-transition: -moz-transform 0.3s;	transition: transform 0.3s;}	.md-show.md-effect-17 ~ .container,.md-show.md-effect-17 ~ .md-overlay  {	-webkit-transform: rotateX(-2deg);	-moz-transform: rotateX(-2deg);	-ms-transform: rotateX(-2deg);	transform: rotateX(-2deg);	-webkit-transform-origin: 50% 0%;	-moz-transform-origin: 50% 0%;	transform-origin: 50% 0%;	-webkit-transform-style: preserve-3d;	-moz-transform-style: preserve-3d;	transform-style: preserve-3d;}.md-effect-17 .md-content {	opacity: 0;	-webkit-transform: translateY(200%);	-moz-transform: translateY(200%);	-ms-transform: translateY(200%);	transform: translateY(200%);}.md-show.md-effect-17 .md-content {	-webkit-transform: translateY(0);	-moz-transform: translateY(0);	-ms-transform: translateY(0);	transform: translateY(0);	opacity: 1;	-webkit-transition: all 0.3s 0.2s;	-moz-transition: all 0.3s 0.2s;	transition: all 0.3s 0.2s;}/*	Effect 18:  Slide from right with perspective on container*/.md-show.md-effect-18 ~ .container {	height: 100%;	overflow: hidden;}.md-show.md-effect-18 ~ .md-overlay {	background: rgba(79, 81, 99, .6);	-webkit-transition: all 0.5s;	-moz-transition: all 0.5s;	transition: all 0.5s;}.md-show.md-effect-18 ~ .container,.md-show.md-effect-18 ~ .md-overlay {	-webkit-transform-style: preserve-3d;	-webkit-transform-origin: 0% 50%;	-webkit-animation: rotateRightSideFirst 0.5s forwards ease-in;	-moz-transform-style: preserve-3d;	-moz-transform-origin: 0% 50%;	-moz-animation: rotateRightSideFirst 0.5s forwards ease-in;	transform-style: preserve-3d;	transform-origin: 0% 50%;	animation: rotateRightSideFirst 0.5s forwards ease-in;}@-webkit-keyframes rotateRightSideFirst {	50% { -webkit-transform: translateZ(-50px) rotateY(5deg); -webkit-animation-timing-function: ease-out; }	100% { -webkit-transform: translateZ(-200px); }}@-moz-keyframes rotateRightSideFirst {	50% { -moz-transform: translateZ(-50px) rotateY(5deg); -moz-animation-timing-function: ease-out; }	100% { -moz-transform: translateZ(-200px); }}@keyframes rotateRightSideFirst {	50% { transform: translateZ(-50px) rotateY(5deg); animation-timing-function: ease-out; }	100% { transform: translateZ(-200px); }}.md-effect-18 .md-content {	-webkit-transform: translateX(200%);	-moz-transform: translateX(200%);	-ms-transform: translateX(200%);	transform: translateX(200%);	opacity: 0;}.md-show.md-effect-18 .md-content {	-webkit-transform: translateX(0);	-moz-transform: translateX(0);	-ms-transform: translateX(0);	transform: translateX(0);	opacity: 1;	-webkit-transition: all 0.5s 0.1s;	-moz-transition: all 0.5s 0.1s;	transition: all 0.5s 0.1s;}/* 	Effect 19:  Slip in from the top with perspective on container*/.md-show.md-effect-19 ~ .container {	height: 100%;	overflow: hidden;}.md-show.md-effect-19 ~ .md-overlay {	-webkit-transition: all 0.5s;	-moz-transition: all 0.5s;	transition: all 0.5s;}.md-show.md-effect-19 ~ .container,.md-show.md-effect-19 ~ .md-overlay {	-webkit-transform-style: preserve-3d;	-webkit-transform-origin: 50% 100%;	-webkit-animation: OpenTop 0.5s forwards ease-in;	-moz-transform-style: preserve-3d;	-moz-transform-origin: 50% 100%;	-moz-animation: OpenTop 0.5s forwards ease-in;	transform-style: preserve-3d;	transform-origin: 50% 100%;	animation: OpenTop 0.5s forwards ease-in;}@-webkit-keyframes OpenTop {	50% { 		-webkit-transform: rotateX(10deg); 		-webkit-animation-timing-function: ease-out; 	}}@-moz-keyframes OpenTop {	50% { 		-moz-transform: rotateX(10deg); 		-moz-animation-timing-function: ease-out; 	}}@keyframes OpenTop {	50% { 		transform: rotateX(10deg); 		animation-timing-function: ease-out; 	}}.md-effect-19 .md-content {	-webkit-transform: translateY(-200%);	-moz-transform: translateY(-200%);	-ms-transform: translateY(-200%);	transform: translateY(-200%);	opacity: 0;}.md-show.md-effect-19 .md-content {	-webkit-transform: translateY(0);	-moz-transform: translateY(0);	-ms-transform: translateY(0);	transform: translateY(0);	opacity: 1;	-webkit-transition: all 0.5s 0.1s;	-moz-transition: all 0.5s 0.1s;	transition: all 0.5s 0.1s;}@media screen and (max-width: 32em) {	body { font-size: 75%; }}input[type=date]:disabled,input[type=date][readonly=readonly],input[type=datetime-local]:disabled,input[type=datetime-local][readonly=readonly],input[type=email]:disabled,input[type=email][readonly=readonly],input[type=number]:disabled,input[type=number][readonly=readonly],input[type=password]:disabled,input[type=password][readonly=readonly],input[type=search-md]:disabled,input[type=search-md][readonly=readonly],input[type=search]:disabled,input[type=search][readonly=readonly],input[type=tel]:disabled,input[type=tel][readonly=readonly],input[type=text]:disabled,input[type=text][readonly=readonly],input[type=time]:disabled,input[type=time][readonly=readonly],input[type=url]:disabled,input[type=url][readonly=readonly],textarea.md-textarea:disabled,textarea.md-textarea[readonly=readonly] {    color: rgba(0, 0, 0, .46);    border-bottom: 1px dotted rgba(0, 0, 0, .46);    background-color: transparent}input[type=date]:disabled+label,input[type=date][readonly=readonly]+label,input[type=datetime-local]:disabled+label,input[type=datetime-local][readonly=readonly]+label,input[type=email]:disabled+label,input[type=email][readonly=readonly]+label,input[type=number]:disabled+label,input[type=number][readonly=readonly]+label,input[type=password]:disabled+label,input[type=password][readonly=readonly]+label,input[type=search-md]:disabled+label,input[type=search-md][readonly=readonly]+label,input[type=search]:disabled+label,input[type=search][readonly=readonly]+label,input[type=tel]:disabled+label,input[type=tel][readonly=readonly]+label,input[type=text]:disabled+label,input[type=text][readonly=readonly]+label,input[type=time]:disabled+label,input[type=time][readonly=readonly]+label,input[type=url]:disabled+label,input[type=url][readonly=readonly]+label,textarea.md-textarea:disabled+label,textarea.md-textarea[readonly=readonly]+label {    color: rgba(0, 0, 0, .46);    background-color: transparent}input[type=date]:focus:not([readonly])+label,input[type=datetime-local]:focus:not([readonly])+label,input[type=email]:focus:not([readonly])+label,input[type=number]:focus:not([readonly])+label,input[type=password]:focus:not([readonly])+label,input[type=search-md]:focus:not([readonly])+label,input[type=search]:focus:not([readonly])+label,input[type=tel]:focus:not([readonly])+label,input[type=text]:focus:not([readonly])+label,input[type=time]:focus:not([readonly])+label,input[type=url]:focus:not([readonly])+label,textarea.md-textarea:focus:not([readonly])+label { color: #4285F4 }input[type=date].valid,input[type=date]:focus.valid,input[type=datetime-local].valid,input[type=datetime-local]:focus.valid,input[type=email].valid,input[type=email]:focus.valid,input[type=number].valid,input[type=number]:focus.valid,input[type=password].valid,input[type=password]:focus.valid,input[type=search-md].valid,input[type=search-md]:focus.valid,input[type=search].valid,input[type=search]:focus.valid,input[type=tel].valid,input[type=tel]:focus.valid,input[type=text].valid,input[type=text]:focus.valid,input[type=time].valid,input[type=time]:focus.valid,input[type=url].valid,input[type=url]:focus.valid,textarea.md-textarea.valid,textarea.md-textarea:focus.valid {    border-bottom: 1px solid #00C851;    box-shadow: 0 1px 0 0 #00C851}input[type=date].valid+label:after,input[type=date]:focus.valid+label:after,input[type=datetime-local].valid+label:after,input[type=datetime-local]:focus.valid+label:after,input[type=email].valid+label:after,input[type=email]:focus.valid+label:after,input[type=number].valid+label:after,input[type=number]:focus.valid+label:after,input[type=password].valid+label:after,input[type=password]:focus.valid+label:after,input[type=search-md].valid+label:after,input[type=search-md]:focus.valid+label:after,input[type=search].valid+label:after,input[type=search]:focus.valid+label:after,input[type=tel].valid+label:after,input[type=tel]:focus.valid+label:after,input[type=text].valid+label:after,input[type=text]:focus.valid+label:after,input[type=time].valid+label:after,input[type=time]:focus.valid+label:after,input[type=url].valid+label:after,input[type=url]:focus.valid+label:after,textarea.md-textarea.valid+label:after,textarea.md-textarea:focus.valid+label:after {    content: attr(data-success);    color: #00C851;    opacity: 1}input[type=date].invalid,input[type=date]:focus.invalid,input[type=datetime-local].invalid,input[type=datetime-local]:focus.invalid,input[type=email].invalid,input[type=email]:focus.invalid,input[type=number].invalid,input[type=number]:focus.invalid,input[type=password].invalid,input[type=password]:focus.invalid,input[type=search-md].invalid,input[type=search-md]:focus.invalid,input[type=search].invalid,input[type=search]:focus.invalid,input[type=tel].invalid,input[type=tel]:focus.invalid,input[type=text].invalid,input[type=text]:focus.invalid,input[type=time].invalid,input[type=time]:focus.invalid,input[type=url].invalid,input[type=url]:focus.invalid,textarea.md-textarea.invalid,textarea.md-textarea:focus.invalid {    border-bottom: 1px solid #F44336;    box-shadow: 0 1px 0 0 #F44336}input[type=date].invalid+label:after,input[type=date]:focus.invalid+label:after,input[type=datetime-local].invalid+label:after,input[type=datetime-local]:focus.invalid+label:after,input[type=email].invalid+label:after,input[type=email]:focus.invalid+label:after,input[type=number].invalid+label:after,input[type=number]:focus.invalid+label:after,input[type=password].invalid+label:after,input[type=password]:focus.invalid+label:after,input[type=search-md].invalid+label:after,input[type=search-md]:focus.invalid+label:after,input[type=search].invalid+label:after,input[type=search]:focus.invalid+label:after,input[type=tel].invalid+label:after,input[type=tel]:focus.invalid+label:after,input[type=text].invalid+label:after,input[type=text]:focus.invalid+label:after,input[type=time].invalid+label:after,input[type=time]:focus.invalid+label:after,input[type=url].invalid+label:after,input[type=url]:focus.invalid+label:after,textarea.md-textarea.invalid+label:after,textarea.md-textarea:focus.invalid+label:after {    content: attr(data-error);    color: #F44336;    opacity: 1}input[type=date]+label:after,input[type=datetime-local]+label:after,input[type=email]+label:after,input[type=number]+label:after,input[type=password]+label:after,input[type=search-md]+label:after,input[type=search]+label:after,input[type=tel]+label:after,input[type=text]+label:after,input[type=time]+label:after,input[type=url]+label:after,textarea.md-textarea+label:after {    display: block;    content: "";    position: absolute;    top: 65px;    opacity: 0;    transition: .2s opacity ease-out, .2s color ease-out}input[type=date].input-alternate,input[type=datetime-local].input-alternate,input[type=email].input-alternate,input[type=number].input-alternate,input[type=password].input-alternate,input[type=search-md].input-alternate,input[type=search].input-alternate,input[type=tel].input-alternate,input[type=text].input-alternate,input[type=time].input-alternate,input[type=url].input-alternate,textarea.md-textarea.input-alternate {    padding: 0 15px;    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, .2), 0 1px 1px 0 rgba(0, 0, 0, .14), 0 2px 1px -1px rgba(0, 0, 0, .12);    font-size: .875rem;    border-bottom: 0}input[type=date].input-alternate:focus:not([readonly]),input[type=datetime-local].input-alternate:focus:not([readonly]),input[type=email].input-alternate:focus:not([readonly]),input[type=number].input-alternate:focus:not([readonly]),input[type=password].input-alternate:focus:not([readonly]),input[type=search-md].input-alternate:focus:not([readonly]),input[type=search].input-alternate:focus:not([readonly]),input[type=tel].input-alternate:focus:not([readonly]),input[type=text].input-alternate:focus:not([readonly]),input[type=time].input-alternate:focus:not([readonly]),input[type=url].input-alternate:focus:not([readonly]),textarea.md-textarea.input-alternate:focus:not([readonly]) {    border-bottom: 0;    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, .2), 0 1px 1px 0 rgba(0, 0, 0, .14), 0 2px 1px -1px rgba(0, 0, 0, .12)}label {    font-size: .8rem;    color: darken #ccc, 90%}.md-form,.md-form .btn { margin-bottom: 3.5rem }.form-control:focus { background: 0 0 }.form-control:disabled,.form-control[readonly] {    background-color: transparent;    border-bottom: 1px solid #e0e0e0}.md-form { position: relative }.md-form label {    color: #757575;    position: absolute;    top: .8rem;    left: 0;    font-size: 1rem;    cursor: text;    -webkit-transition: .2s ease-out;    -moz-transition: .2s ease-out;    -o-transition: .2s ease-out;    -ms-transition: .2s ease-out;    transition: .2s ease-out}.md-form label.active {    font-size: .8rem;    -webkit-transform: translateY(-140%);    -moz-transform: translateY(-140%);    -ms-transform: translateY(-140%);    -o-transform: translateY(-140%);    transform: translateY(-140%)}.md-form .prefix {    position: absolute;    width: 3rem;    font-size: 2rem;    -webkit-transition: color .2s;    -moz-transition: color .2s;    -o-transition: color .2s;    -ms-transition: color .2s;    transition: color .2s}.md-form .prefix.active { color: #4285F4 }.md-form .prefix~input, .md-form .prefix~textarea {    margin-left: 3rem;    width: 92%;    width: calc(100% - 4rem)}.md-form .prefix~textarea { padding-top: .8rem }.md-form .prefix~label { margin-left: 3rem }@media only screen and (max-width:992px) {    .md-form .prefix~input {        width: 86%;        width: calc(100% - 3rem)    }}@media only screen and (max-width:600px) {    .md-form .prefix~input {        width: 80%;        width: calc(100% - 3rem)    }}.list-group-item, textarea { width: 100% }.md-form.input-group .form-control {    margin: 0;    padding-left: 1rem}.md-form.input-group .form-control:-moz-placeholder {    color: #999;    padding-top: 2px}.md-form.input-group .form-control::-ms-placeholder {    color: #999;    padding-top: 2px}.md-form.input-group .form-control::-webkit-input-placeholder {    color: #999;    padding-top: 2px}.md-form.input-group .form-control::-moz-placeholder {    color: #999;    padding-top: 2px}.md-form.input-group .form-control:-ms-input-placeholder {    color: #999;    padding-top: 2px}.md-form.input-group .form-control::placeholder {    color: #999;    padding-top: 2px}.form-inline fieldset { margin-right: 1.5rem}textarea {    height: 3rem;    background-color: transparent}textarea.md-textarea {    overflow-y: hidden;    padding: 1.6rem 0;    resize: none;    min-height: 3rem}.hiddendiv {    display: none;    white-space: pre-wrap;    overflow-wrap: break-word;    padding-top: 1.2rem}.input-dark-bg:-moz-placeholder {    color: #fff!important;    font-weight: 300}.input-dark-bg::-ms-placeholder {    color: #fff!important;    font-weight: 300}.input-dark-bg::-webkit-input-placeholder {    color: #fff!important;    font-weight: 300}.input-dark-bg::-moz-placeholder {    color: #fff!important;    font-weight: 300}.input-dark-bg:-ms-input-placeholder {    color: #fff!important;    font-weight: 300}.input-dark-bg::placeholder {    color: #fff!important;    font-weight: 300}.input-dark-bg input[type=text] { border-bottom: 1px solid #fff }.input-dark-bg .form-control { color: #fff }.input-light-bg:-moz-placeholder {    color: #1C2331!important;    font-weight: 300}.input-light-bg::-ms-placeholder {    color: #1C2331!important;    font-weight: 300}.input-light-bg::-webkit-input-placeholder {    color: #1C2331!important;    font-weight: 300}.input-light-bg::-moz-placeholder {    color: #1C2331!important;    font-weight: 300}.input-light-bg:-ms-input-placeholder {    color: #1C2331!important;    font-weight: 300}.input-light-bg::placeholder {    color: #1C2331!important;    font-weight: 300}.input-light-bg input[type=text] { border-bottom: 1px solid #1C2331 }.input-light-bg .form-control { color: #1C2331 }.form-inline .form-group { margin-right: 2rem }/*：本代码只用作演示,不是源码。源码下载链接: http://www.bootstrapmb.com/item/4118(此说明不在下载的源码里，只用在演示页面里)*/