基于css的响应登录表单
问题描述：
我尝试了一些东西，使页面中心的背景和注册框中的背景图像响应此页面。不能使用bootstrap和css不能100％工作。基于css的响应登录表单
什么是最好的是使它响应，以便它支持移动和桌面设备
典笔链接http://codepen.io/anon/pen/eBGzOY
<body onload="document.getElementById('user').focus();" style="background-color: ">
<div id="main">
<div id='user-agreement' style="display: none">
<table width='100%'>
<tbody>
<tr>
<td>
<h3>User Agreement Policy</h3>
</td>
</tr>
<tr>
<td>
Please do login with valid Guest credentails.
</td>
</tr>
<tr>
<td align='center'><br />
<input type='button' value='Accept' onClick="" />
</td>
</tr>
</tbody>
</table>
</div>
<div id="logins">
<div id="errorbox" style="display: none">
</div>
<div id="registered" style="">
<h1 id="registeredhdr" class="swap"><span>REGISTERED USER</span></h1>
<form action="login" id="regform" method="post" autocomplete="off" title="Form used by registered users to login">
<div id="usernamebox">
<label for="user" accesskey="u">USERNAME</label>
<input type="text" name="user" id="user" size="25" class="text" accesskey="u" />
</div>
<div id="passwordbox">
<label for="password" accesskey="p">PASSWORD</label>
<input id="password" name="password" type="password" size="25" class="text" accesskey="p" />
</div>
<div id="fqdnbox" style="display: none"></div>
<input type="hidden" name="cmd" value="authenticate" />
<input type="submit" name="Login" value="Log In" class="button" />
<p>Logging in as a registered user indicates you have read and accepted the <a href="javascript:void(0)" onclick="showPolicy();">Acceptable Use Policy</a>.</p>
</form>
</div>
<div style="display: none">
<form action="login" id="only_aup_form" method="post" title="">
<input type="hidden" name="accept_aup" value="accept_aup" />
<input type="hidden" name="requested_url" value="" />
</form>
</div>
<div id="guest" style="display: none">
<h1 id="guesthdr" class="swap"><span>GUEST USER</span></h1>
<form action="login" id="guestform" emweb_name="captive_portal_guest" method="post" title="Form used by guest users to login">
<div id="emailbox">
<label for="email" accesskey="e">EMAIL</label>
<input id="email" name="email" type="text" size="25" class="text" accesskey="e" />
</div>
<input type="hidden" name="cmd" value="authenticate" />
<input type="submit" name="Login" value="Log In" class="button" />
</form>
</div>
<div id="instructions" style="display: none;">
<div id="instructionstext"></div>
<div id="instructionsbg"></div>
</div>
</div>
</div>
</body>
答
我用以下为同一
<!DOCTYPE html>
<html>
<head>
<title>Login</title>
<meta charset="utf-8">
<link href="css/style.css" rel='stylesheet' type='text/css' />
<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*/
/****-----start-body----****/
body{
background:url(bg1.jpg) no-repeat center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
position:relative;
font-family: 'Open Sans', sans-serif;
}
.login-form {
background:#fff;
width:32%;
max-width:400px;
margin:9% auto 4% auto;
position: relative;
}
p{margin-top:20px;}
.head {
position: absolute;
top:-15%;
left: 35%;
}
.head img {
border-radius:50%;
-webkit-border-radius:50%;
-o-border-radius:50%;
-moz-border-radius:50%;
border:6px solid rgba(221, 218, 215, 0.23);
}
form {
padding:24% 2.5em;
padding-bottom:20px;
}
form li{
border:1px solid #B4B2B2;
list-style:none;
margin-bottom:25px;
width:100%;
background:none;
border-radius: 0.3em;
-webkit-border-radius: 0.3em;
-o- border-radius: 0.3em;
-moz-border-radius: 0.3em;
}
.icon{
background:url(icons.png) no-repeat 0px 0px;
height:30px;
width:30px;
display: block;
float:left;
margin:7px -11px 0px 0px
}
.user{
background: url(icons.png) no-repeat 12px 11px;
}
.lock{
background: url(icons.png) no-repeat -17px 11px;
}
input[type="text"], input[type="password"] {
font-family: 'Open Sans', sans-serif;
width:60%;
padding:0.7em 2em 0.7em 1.7em;
color:#858282;
font-size:18px;
outline: none;
background: none;
border:none;
font-weight:600;
}
form li:hover{
border:1px solid #40A9DF;
box-shadow: 0 0 1em #40A9DF;
-webkit-box-shadow: 0 0 1em #40A9DF;
-o-box-shadow: 0 0 1em #40A9DF;
-moz-box-shadow: 0 0 1em #40A9DF;
}
input[type="submit"]{
float:right;
font-size:18px;
display: inline-block;
font-weight:600;
color: #fff;
transition: 0.1s all;
-webkit-transition: 0.1s all;
-moz-transition: 0.1s all;
-o-transition: 0.1s all;
cursor: pointer;
outline: none;
padding:15px 10px;
margin-top:3px;
font-family: 'Open Sans', sans-serif;
width:40%;
border:none;
border-radius: 0.3em;
-webkit-border-radius: 0.3em;
-o- border-radius: 0.3em;
-moz-border-radius: 0.3em;
background: #bbb;
}
input[type="submit"]:hover{
background: #ccc; /* Old browsers */
}
/***************************/
.p-container{
margin-top:2em;
}
.p-container .checkbox input {
position: absolute;
left: -9999px;
}
.p-container.checkbox i {
border-color: #fff;
transition: border-color 0.3s;
-o-transition: border-color 0.3s;
-ms-transition: border-color 0.3s;
-moz-transition: border-color 0.3s;
-webkit-transition: border-color 0.3s;
}
.p-container.checkbox i:hover {
border-color:red;
}
.p-container i:before {
background-color: #2da5da;
}
.p-container .rating label {
color: #ccc;
transition: color 0.3s;
-o-transition: color 0.3s;
-ms-transition: color 0.3s;
-moz-transition: color 0.3s;
-webkit-transition: color 0.3s;
}
.p-container .checkbox input + i:after {
position: absolute;
opacity: 0;
transition: opacity 0.1s;
-o-transition: opacity 0.1s;
-ms-transition: opacity 0.1s;
-moz-transition: opacity 0.1s;
-webkit-transition: opacity 0.1s;
}
.p-container .checkbox input + i:after {
content:url(../images/tick.png) no-repeat 7px 1px;
top:-15px;
left:1px;
width: 15px;
height: 15px;
}
.p-container .checkbox {
float: left;
margin-right: 30px;
}
.p-container .checkbox {
padding-left: 40px;
font-size: 16px;
line-height:60px;
color:#858282;
cursor: pointer;
font-family: 'Open Sans', sans-serif;
font-weight: 600;
}
.p-container .checkbox {
position: relative;
display: block;
}
.p-container .checkbox i {
position: absolute;
top:18px;
left:5px;
display: block;
width:22px;
height:22px;
outline: none;
border:1px solid #999;
background:#fff;
border-radius:4px;
-webkit-border-radius:4px;
-moz-border-radius:4px;
-o-border-radius:4px;
}
.p-container .checkbox input + i:after {
position: absolute;
opacity: 0;
transition: opacity 0.1s;
-o-transition: opacity 0.1s;
-ms-transition: opacity 0.1s;
-moz-transition: opacity 0.1s;
-webkit-transition: opacity 0.1s;
}
.p-container .checkbox input + i:after {
color: #2da5da;
}
.p-container .checkbox input:checked + i,
.p-container . input:checked + i {
border-color: #2da5da;
}
.p-container .rating input:checked ~ label {
color: #2da5da;
}
.p-container .checkbox input:checked + i:after {
opacity: 1;
}
/****************/
.copy-right {
position: absolute;
bottom:-16%;
left: 43.7%;
}
.copy-right p {
color: #fff;
font-size: 1em;
font-family: 'Open Sans', sans-serif;
font-weight: 600;
}
.copy-right p a {
font-family: 'Open Sans', sans-serif;
font-size: 1em;
color:#FF8E03;
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-ms-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
transition: all 0.3s ease-out;
}
.copy-right p a:hover {
color:#fff;
}
/*-----start-responsive-design------*/
@media (min-width:1500px){
.login-form {
margin:15% auto 0;
width:45%;
}
.copy-right {
left: 41%;
bottom:-18%;
}
}
@media (max-width:1024px){
.login-form {
margin:8% auto 0;
width:45%;
}
.copy-right {
left: 41%;
bottom:-18%;
}
}
@media (max-width:768px){
.login-form {
margin:12% auto 0;
width:57%;
}
.copy-right {
left:38%;
bottom:-14%;
}
}
@media (max-width:640px){
.login-form {
margin:13% auto 0;
width:70%;
}
.copy-right {
left:36%;
bottom:-18%;
}
}
@media (max-width:480px){
.login-form {
margin:20% auto 0;
width:90%;
}
.copy-right {
left:30%;
bottom:-17%;
}
.login-form {
margin: 30% auto 0;
}
}
@media (max-width:320px){
.login-form {
margin:20% auto 0;
width:95%;
}
form{
padding:19% 1.5em;
padding-bottom:20px;
}
form li{
margin-top:10px;
}
input[type="text"], input[type="password"]{
font-size:15px;
padding: 0.5em 1em 0.5em 1em;
}
input[type="submit"]{
float:none;
font-size: 15px;
padding: 10px 10px;
width: 40%;
margin-left: 28%;
}
.head{
top:-12%;
left:35.5%;
}
.head img {
width:69%;
}
.user {
background: url(../images/icons.png) no-repeat 12px 4px;
}
.lock {
background: url(../images/icons.png) no-repeat -20px 3px;
}
.p-container .checkbox {
float: none;
text-align: center;
}
.p-container{
margin-top: 0;
}
.icon{
margin:6px -11px 0px 0px;
}
.p-container .checkbox i {
position: absolute;
top: 18px;
left: 43px;
}
.copy-right {
left:20%;
bottom:-10%;
}
}
</style>
<script language="javascript" type="text/javascript">
function cp_ua() {
this.div_ids = new Array('user-agreement', 'logins');
this.cp_a_type = null;
this.init = function(cp_a_type) {
if(this.cp_a_type == null)
this.cp_a_type = cp_a_type;
}
this.show_forms = function(isUa, isDisabled) {
var __user_agreement = (!isUa) ? true : false;
var __cmp_str = (__user_agreement) ? this.div_ids[0] : this.div_ids[1];
var vm=null, vmid=null;
for(var i=0; i<this.div_ids.length; i++) {
var div_id = this.div_ids[i];
var div_ref = document.getElementById(div_id);
var disp_str = (div_id.match(__cmp_str)) ? 'block' : 'none';
if(div_ref) {
div_ref.style.display = disp_str;
}
}
if(isUa && (vm = document.getElementsByName(this.cp_a_type)[0]) != null) {
this.ed_fields(isDisabled);
vm.focus();
}
}
this.ed_fields = function(flag) { /* Enable/Disable fields */
var inputs = document.getElementsByTagName('input');
for(var j=0; j<inputs.length; j++) {
var vm = inputs[j];
if(vm) {
vm.disabled = flag;
}
}
return;
}
this.only_aup = function(requested_url) {
var xform = document.getElementById("only_aup_form");
var url = document.getElementsByName("requested_url")[0];
url.value = requested_url;
xform.submit();
return;
}
}
var CpUa = new cp_ua();
function showPolicy() {
win = window.open("/upload/custom/Guest-Captive-cp_prof/acceptableusepolicy.html", "policy", "height=550,width=550,scrollbars=1");
}
</script>
</head>
<body onload="document.getElementById('user').focus();" style="background-color: ">
<!-----start-main---->
<div class="login-form">
<div class="head">
<img src="logo.jpg" alt=""/>
</div>
<form action="login" id="regform" method="post" autocomplete="off" title="Form used by registered users to login">
<li>
<input id="user" type="text" class="text" placeholder="USERNAME" value="USERNAME" onfocus="this.value = '';" onblur="if (this.value == '') {this.value = 'USERNAME';}" accesskey="u" ><a href="#" class=" icon user"></a>
</li>
<li>
<input id="password" name="password" placeholder="PASSWORD" accesskey="p" type="password" value="" onfocus="this.value = '';" onblur="if (this.value == '') {this.value = '';}"><a href="#" class=" icon lock"></a>
</li>
<div class="p-container">
<div id="fqdnbox" style="display: none"></div>
<input type="hidden" name="cmd" value="authenticate" />
<input type="submit" name="Login" value="Log In" >
<div class="clear"> </div>
</div>
<p>Logging in as a registered user indicates you have read and accepted the <a href="javascript:void(0)" onclick="showPolicy();">Acceptable Use Policy</a>.</p>
</form>
</div>
<!--//End-login-form-->
<div style="display: none">
<form action="login" id="only_aup_form" method="post" title="">
<input type="hidden" name="accept_aup" value="accept_aup" />
<input type="hidden" name="requested_url" value="" />
</form>
</div>
<div id="guest" style="display: none">
<h1 id="guesthdr" class="swap"><span>GUEST USER</span></h1>
<form action="login" id="guestform" emweb_name="captive_portal_guest" method="post" title="Form used by guest users to login">
<div id="emailbox">
<label for="email" accesskey="e">EMAIL</label>
<input id="email" name="email" type="text" size="25" class="text" accesskey="e" />
</div>
<input type="hidden" name="cmd" value="authenticate" />
<input type="submit" name="Login" value="Log In" class="button" />
</form>
</div>
<div id="instructions" style="display: none;">
<div id="instructionstext"></div>
<div id="instructionsbg"></div>
</div>
<!-----start-copyright---->
<div class="copy-right">
</div>
<!-----//end-copyright---->
</body>
</html>
答
希望this是你想要的！
下面的代码，但检查链接寿：
body {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
font-family: arial;
}
#main {
position: relative;
top: 50%;
max-width: 500px;
margin-left: auto;
margin-right: auto;
vertical-align: middle;
}
#passwordbox, #usernamebox {
padding-bottom: 5px;
}
a, .swap {
color: #9999ff;
}
ul {
list-style: none;
padding: 0px;
}
li {
padding-bottom: 10px;
}
input[type=text], input[type=password] {
color: #9999ff;
height: 20px;
padding: 5px;
text-decoration: none;
border: 1px solid #9999ff;
background-color: transparent;
border-radius: 1px;
}
textarea {
color: #9999ff;
padding: 5px;
text-decoration: none;
border: 1px solid #9999ff;
background-color: transparent;
height: 6em;
width: 30em;
font-family: arial;
border-radius: 1px;
-ms-overflow-style: none
}
input[type=submit] {
width: 120px;
height: 30px;
cursor: pointer;
color: #9999ff;
text-decoration: none;
border: 1px solid #9999ff;
background-color: transparent;
-webkit-appearance: none;
border-radius: 1px;
padding-right: 80px;
}
::-webkit-input-placeholder {
font-family: arial;
color: #9999ff;
}
:-moz-placeholder { /* Firefox 18- */
font-family: arial;
color: #9999ff;
}
::-moz-placeholder { /* Firefox 19+ */
font-family: arial;
color: #9999ff;
}
:-ms-input-placeholder {
font-family: arial;
color: #9999ff;
}
看看Flexbox的，这是伟大的定位的内容，并在移动表现好也。此外，它是纯粹的CSS，没有包。我发现这个网站只是为了说明，http://flexboxgrid.com/，但你可以简单地谷歌它，你也会发现这个很多SO线程。 – lkostka