企业网站前端制作实战教程 JQuery CSS JS HTML 登录界面

盒子模型

引入重置css样式reset样式

@charset "utf-8";
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,
font,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    /*background: transparent;*/
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset,
img {
    border: 0;
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
    font-style: normal;
    font-weight: normal;
}

ol,
ul {
    list-style: none;
}

caption,
th {
    text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 200%;
    font-weight: normal;
}

:focus {
    outline: 0;
}

a {
    text-decoration: none;
}

a:hover img {
    border: none;
}

a:active {
    noOutline: expression(this.onFocus=this.blur());
}


/*清除浮动*/

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    display: inline-block;
}


/* Hides from IE-mac \*/

* html .clearfix {
    height: 1%;
}

.clearfix {
    display: block;
}


/* End hide from IE-mac */

login.html

    
    
    
    
    



    
    

        
        

            
登录管理系统
            

                

                    

                        管理员账号:
                        
                    
                    

                        管理员密码:
                        
                    
                    

                        登录验证码:
                        
                    
                    

                        

                            
                        
                    
                    

                        
                    
                
            
        
    

引入style.css

/* 登录样式开始 */

.login {
    width: 500px;
    height: 340px;
    background-color: #0077ca;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -170px 0 0 -250px;
}

.loginmain {
    padding: 20px;
    color: #fff;
}

.loginmain ul li {
    margin-top: 15px;
}

.loginmain ul li span {
    display: inline-block;
    width: 125px;
    height: 10px;
    text-align: right;
    font-size: 14px;
}

.loginmain ul li input[type="text"],
.loginmain ul li input[type="password"] {
    width: 250px;
    height: 30px;
    padding: 0 5px;
}

.loginmain ul li .verifyimg {
    width: 262px;
    height: 48px;
    margin-left: 130px;
    background: #1696d7;
}

.loginmain ul li input[type="button"] {
    width: 80px;
    height: 30px;
    border: none;
    background: #00497d;
    color: #fff;
    font-size: 14px;
    margin-left: 215px;
}


/* 登录界面实现 */

运行结果