css实现一个清爽自适应登录表单效果代码-html代码-BFW代码库

代码语言：html
代码描述：css实现一个清爽自适应登录表单效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">


    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style>
        /*--reset--*/html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,dl,dt,dd,ol,nav ul,nav li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video {
    	margin:0;
    	padding:0;
    	border:0;
    	font-size:100%;
    	font:inherit;
    	vertical-align:baseline;
    }
    article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section {
    	display:block;
    }
    ol,ul {
    	list-style:none;
    	margin:0px;
    	padding:0px;
    }
    blockquote,q {
    	quotes:none;
    }
    blockquote:before,blockquote:after,q:before,q:after {
    	content:'';
    	content:none;
    }
    table {
    	border-collapse:collapse;
    	border-spacing:0;
    }
    /*--start editing from here--*/a {
    	text-decoration:none;
    }
    .txt-rt {
    	text-align:right;
    }
    /* text align right */.txt-lt {
    	text-align:left;
    }
    /* text align left */.txt-center {
    	text-align:center;
    }
    /* text align center */.float-rt {
    	float:right;
    }
    /* float right */.float-lt {
    	float:left;
    }
    /* float left */.clear {
    	clear:both;
    }
    /* clear float */.pos-relative {
    	position:relative;
    }
    /* Position Relative */.pos-absolute {
    	position:absolute;
    }
    /* Position Absolute */.vertical-base {
    	vertical-align:baseline;
    }
    /* vertical align baseline */.vertical-top {
    	vertical-align:top;
    }
    /* vertical align top */nav.vertical ul li {
    	display:block;
    }
    /* vertical menu */nav.horizontal ul li {
    	display:inline-block;
    }
    /* horizontal menu */img {
    	max-width:100%;
    }
    /*--end reset--*/body {
    	font-family:Verdana;
    	background:url(//repo.bfw.wiki/bfwrepo/image/60987bfc5afa0.png)no-repeat center 0px;
    	background-attachment:fixed;
    	background-size:cover;
    }
    h1 {
    	font-size:3em;
    	text-align:center;
    	color:#fff;
    	font-weight:100;
    }
    /*-- main --*/h2 {
    	font-size:1.1em;
    	text-align:center;
    	padding:1.2em;
    	background:#02a299;
    	color:#fff;
    	font-weight:200;
    	letter-spacing:10px;
    }
    .main {
    	padding:3em 0 0;
    }
    .login-form {
    	width:35%;
    	margin:3.5em auto;
    	background:rgba(12,85,105,0.51);
    	padding-bottom:4em;
    }
    .agileits-top {
    	padding:2em 3em 3em;
    }
    .login-form input[type="text"],.login-form input[type="password"] {
    	font-size:1em;
    	color:#fff;
    	padding:0.8em 1em;
    	border:0;
    	width:93%;
    	border-bottom:1px solid #c7c7c7;
    	background:none;
    	-webkit-appearance:none;
    }
    /*-- input-effect --*/.styled-input input:focus ~ label,.styled-input input:valid ~ label {
    	font-size:1.1em;
    	color:#02a299;
    	top:-2em;
    	-webkit-transition:all 0.125s ease;
    	transition:all 0.125s ease;
    }
    .styled-input {
    	width:100%;
    	margin:2em 0 1em;
    	position:relative;
    }
    .styled-input label {
    	color:#fff;
    	padding:0.8em 1em;
    	position:absolute;
    	top:0;
    	left:0;
    	-webkit-transition:all 0.3s ease;
    	-moz-transition:all 0.3s ease;
    	transition:all 0.3s ease;
    	pointer-events:none;
    	font-weight:400;
    	font-size:1em;
    	display:block;
    	line-height:1em;
    }
    .styled-input input ~ span {
    	display:block;
    	width:0;
    	height:2px;
    	background:#fff;
    	position:absolute;
    	bottom:0;
    	left:0;
    	-webkit-transition:all 0.125s ease;
    	transition:all 0.125s ease;
    }
    .styled-input input:focus {
    	outline:0;
    }
    .styled-input input:focus ~ span {
    	width:100%;
    	-webkit-transition:all 0.075s ease;
    	transition:all 0.075s ease;
    	'OpenSans-Regular';
    }
    /*-- //input-effect --*/.login-form p {
    	font-size:1em;
    	color:#fff;
    	margin:1em 0 .5em;
    }
    /*-- checkbox --*/.wthree-text input[type="checkbox"] {
    	display:none;
    }
    .wthree-text input[type="checkbox"]+label {
    	position:relative;
    	padding-left:1.8em;
    	border:none;
    	outline:none;
    	font-size:1em;
    	color:#fff;
    	cursor:pointer;
    	display:block;
    }
    .wthree-text input[type="checkbox"]+label span:first-child {
    	width:14px;
    	height:14px;
    	border:2px solid #fff;
    	position:absolute;
    	left:0;
    	top:2px;
    }
    .wthree-text input[type="checkbox"]:checked+label span:first-child:before {
    	content:"";
    	background:url(data:image/png;base64,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) no-repeat;
    	position:absolute;
    	left:2px;
    	top:2px;
    	font-size:10px;
    	width:10px;
    	height:10px;
    }
    /*-- //check.........完整代码请登录后点击上方下载按钮下载查看