html5+css3怎么实现注册表单功能

这篇文章主要介绍“html5+css3怎么实现注册表单功能”，在日常操作中，相信很多人在html5+css3怎么实现注册表单功能问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”html5+css3怎么实现注册表单功能”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！

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效果图如下：

html源码：

代码如下:

css源码：

代码如下:

body{
background:url(bg.jpg) repeat;
font-family:Arial Narrow, Arial, sans-serif;
margin:0;
padding:0;
}
header, section, footer{
display:block;
}
header{
width:100%;
background-color:rgb(0, 0, 0);
background-color:rgba(0, 0, 0, 0.9);
color:#ccc;
padding:15px 0;
letter-spacing:1px;
margin-bottom:20px;
position:relative;
}
header h2{
margin:0 50px;
text-shadow:2px 2px 2px #888;
float:left;
}
#backlinks{
float:right;
margin:-10px 20px;
line-height:25px;
font-weight:bold;
font-size:12px;
text-align:right;
}
#backlinks a{
color:#ccc;
text-decoration:none;
margin:3px 0 0;
display:block;
}
#backlinks a:hover{
color:#fff;
}
footer{
background-color:rgb(0, 0, 0);
background-color:rgba(0, 0, 0, 0.8);
height:25px;
width:100%;
line-height:25px;
position:relative;
font-family:Arial,Helvetica,sans-serif;
bottom:0;
left:0;
color:#888;
font-size:11px;
}
footer span{
padding-left:20px;
}
footer a{
color:#1FA2E1;
}
#wrapper{
width:770px;
margin:0 auto;
text-align:center;
}
#wrapper hgroup{
margin:20px 0;
text-shadow:1px 1px 1px #ccc;
}
#wrapper h2{
color:#146FA0;
font-size:42px;
margin:0;
}
#wrapper h3{
color:#71C1ED;
font-size:27px;
margin:0;
}
#lbl{
color:#777;
font-size:17px;
font-weight:bold;
text-shadow:1px 1px 0 #fff;
margin:10px 0;
}
*:focus{
outline:none;
}
label, input, textarea, fieldset{
display:block;
}
fieldset#account, fieldset#personal{
width:250px;
padding:0 50px 50px;
margin:10px;
float:left;
background:rgb(244,244,244);
background:rgba(244,244,244,0.7);
-webkit-border-radius: 25px;
-moz-border-radius: 25px;
border-radius: 25px;
border:3px double #999;
}
fieldset#confirm{
padding-top:10px;
clear:both;
border:none;
line-height:15px;
margin:10px 0;
}
fieldset#confirm label, fieldset#confirm input{
display:inline;
float:left;
margin:15px 5px 0;
}
legend{
font-size:20px;
font-weight:bold;
letter-spacing:5px;
color:#999;
margin-left:-20px;
text-align:left;
padding:0 10px;
text-shadow:1px 1px 0 #ccc;
}
label{
font-size:17px;
font-weight:bold;
margin:17px 0 7px;
text-align:left;
text-shadow:1px 1px 0 #fff;
}
textarea{
resize:both;
max-width:230px;
}
input.textbox, textarea{
padding:5px 10px;
-webkit-border-radius: 15px;
-moz-border-radius: 15px;
border-radius: 15px;
border:1px solid #fff;
width:200px;
text-shadow:1px 1px 1px #777;
-moz-box-shadow: 0px 2px 0px #999;
-webkit-box-shadow: 0px 2px 0px #999;
box-shadow: 0px 2px 0px #999;
-webkit-transition: all 0.5s ease-in-out;
-moz-transition: all 0.5s ease-in-out;
transition: all 0.5s ease-in-out;
background:url(required.png) no-repeat 200px 5px #F0F0EF;
background:-webkit-gradient(linear, left top, left bottom, from(#E3E3E3), to(#FFFFFF)); /* Saf4+, Chrome */
background:-webkit-linear-gradient(top, #E3E3E3, #FFFFFF); /* Chrome 10+, Saf5.1+ */
background:-moz-linear-gradient(top, #E3E3E3, #FFFFFF); /* FF3.6+ */
background:-ms-linear-gradient(top, #E3E3E3, #FFFFFF); /* IE10 */
background:-o-linear-gradient(top, #E3E3E3, #FFFFFF); /* Opera 11.10+ */
}
input.textbox:focus, textarea:focus{
-webkit-transform: scale(1.1);
-moz-transform: scale(1.1);
transform: scale(1.1);
-moz-box-shadow: 5px 3px 1px #ccc;
-webkit-box-shadow: 5px 3px 1px #ccc;
box-shadow: 7px 7px 2px #ccc;
text-shadow:1px 1px 3px #777;
}
input.textbox:required{
background:url(required.png) no-repeat 200px 5px #F0F0EF;
background:url(required.png) no-repeat 200px 5px, -webkit-gradient(linear, left top, left bottom, from(#E3E3E3), to(#FFFFFF)); /* Saf4+, Chrome */
background:url(required.png) no-repeat 200px 5px, -webkit-linear-gradient(top, #E3E3E3, #FFFFFF); /* Chrome 10+, Saf5.1+ */
background:url(required.png) no-repeat 200px 5px, -moz-linear-gradient(top, #E3E3E3, #FFFFFF); /* FF3.6+ */
background:url(required.png) no-repeat 200px 5px, -ms-linear-gradient(top, #E3E3E3, #FFFFFF); /* IE10 */
background:url(required.png) no-repeat 200px 5px, -o-linear-gradient(top, #E3E3E3, #FFFFFF); /* Opera 11.10+ */
}
input.textbox:required:valid{
background:url(valid.png) no-repeat 200px 5px #F0F0EF;
background:url(valid.png) no-repeat 200px 5px, -webkit-gradient(linear, left top, left bottom, from(#E3E3E3), to(#FFFFFF)); /* Saf4+, Chrome */
background:url(valid.png) no-repeat 200px 5px, -webkit-linear-gradient(top, #E3E3E3, #FFFFFF); /* Chrome 10+, Saf5.1+ */
background:url(valid.png) no-repeat 200px 5px, -moz-linear-gradient(top, #E3E3E3, #FFFFFF); /* FF3.6+ */
background:url(valid.png) no-repeat 200px 5px, -ms-linear-gradient(top, #E3E3E3, #FFFFFF); /* IE10 */
background:url(valid.png) no-repeat 200px 5px, -o-linear-gradient(top, #E3E3E3, #FFFFFF); /* Opera 11.10+ */
}
input.textbox:focus:invalid, input.textbox:not(:required):invalid{
background:url(invalid.png) no-repeat 200px 5px #F0F0EF;
background:url(invalid.png) no-repeat 200px 5px, -webkit-gradient(linear, left top, left bottom, from(#E3E3E3), to(#FFFFFF)); /* Saf4+, Chrome */
background:url(invalid.png) no-repeat 200px 5px, -webkit-linear-gradient(top, #E3E3E3, #FFFFFF); /* Chrome 10+, Saf5.1+ */
background:url(invalid.png) no-repeat 200px 5px, -moz-linear-gradient(top, #E3E3E3, #FFFFFF); /* FF3.6+ */
background:url(invalid.png) no-repeat 200px 5px, -ms-linear-gradient(top, #E3E3E3, #FFFFFF); /* IE10 */
background:url(invalid.png) no-repeat 200px 5px, -o-linear-gradient(top, #E3E3E3, #FFFFFF); /* Opera 11.10+ */
}
input[type=submit] {
padding:10px;
margin:0 10px !important;
width:300px;
}
@media screen and (-webkit-min-device-pixel-ratio:0) {
input[type=range] {padding:0;}
}
#rangevalue{
display:block;
text-align:right;
margin-top:-25px;
}
input::-webkit-input-placeholder, textarea::-webkit-input-placeholder {
color: #aaa;
font-style:italic;
text-shadow:1px 1px 0 #fff;
}
input:-moz-placeholder, textarea:-moz-placeholder {
color: #aaa;
font-style:italic;
text-shadow:1px 1px 0 #fff;
}
.clearfix{
clear:both;
}

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