客户端 未登录页面 (clearfix 分割线)

做了一个手机客户端页面,未登录的状态页面

类似 如上图所示 这样

上面列表采取80%宽度,右侧浮动。ul li设置绝对定位。左边icon图标采取决定定位。

为了防止小屏幕手机左边空白缝隙过小,事先给外面层设置一个padding-left;留出空白间隙

因为上面ul列表使用了浮动,所以下面的button按钮(内联元素)会和上面在一行。这个时候对button设置display:block;clear:both;清除浮动,button即可下来显示。

或者在ul外面嵌套一层div.给这个嵌套的div设置clearfix。

==================

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

.clearfix {
*zoom: 1;
}

开始我想的是,clearfix应该添加在本身元素ul上,其实不是。又尝试把clearfix样式添加在 ul和button的父元素外面。又不对。这是没有弄清楚clearfix这个属性

.clearfix:after {       <----在类名为“clearfix”的元素内最后面加入内容;
    content: ".";     <----内容为“.”就是一个英文的句号而已。也可以不写。
    display: block;   <----加入的这个元素转换为块级元素。
    clear: both;     <----清除左右两边浮动。
    visibility: hidden;      <----可见度设为隐藏。注意它和display:none;是有区别的。仍然占据空间,只是看不到而已;
    height: 0;     <----高度为0;
    font-size:0;    <----字体大小为0;
}

整段代码就相当于在浮动元素后面跟了个宽高为0的空div,然后设定它clear:both来达到清除浮动的效果。(这个css的原理是经过使用 after伪对象,它将在应用clearfix的元素结尾添加content中的内容,也就是一个".",并且把他设置为块级元素 (display="block");高度设置为0,clear="both",然后将其内容隐藏掉(visibility="hidden").这样就会撑开此块级元素.)

之所以用它,是因为,你不必在html文件中写入大量无意义的空标签,又能清除浮动。
.clearfix { *zoom:1;}   <----这是针对于IE6的,因为IE6不支持:after伪类,这个神奇的zoom:1让IE6的元素可以清除浮动来包裹内部元素。具体意思的话,不用深究,听说微软的工程师自己都无法解释清楚。height:1%效果也是一样。、

参考:http://blog.sina.com.cn/s/blog_60b35e830101c1r8.html

==========================

还有一个难点就是  中间文字左右横线的,分割线,展示

<div class="dividing-line">或</div>

.dividing-line {
80%;
margin: 0 auto;
text-align: center;
height: 30px;
line-height: 30px;
position: relative;
}

.dividing-line:before {
content: "";
46%;
height: 1px;
background-color: #DEDEDE;
display: block;
right: 8px;
bottom: 13px;
position: absolute;
}

.dividing-line:after {
content: "";
46%;
height: 1px;
background-color: #DEDEDE;
display: block;
left: 8px;
bottom: 13px;
position: absolute;
}

参考:http://www.daqianduan.com/4258.html

=============HTML==================

<!doctype html>
<html>

<head>
<title>未登录 </title>
<meta charset="utf-8" />
<meta name="viewport" content="width=100%, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0,user-scalable=no" />
<meta content="telephone=no" name="format-detection" />
<meta name="apple-mobile-web-app-title" content="贷款助手">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-touch-fullscreen" content="yes">
<meta content="black" name="apple-mobile-web-app-status-bar-style">
<meta http-equiv="x-ua-compatible" content="ie=edge,chrome=1">
<link href="css/base.css" type="text/css" rel="stylesheet" />
<link href="css/unknown.css" type="text/css" rel="stylesheet" />
</head>

<body>
<section class="box-sizing">
<ul class="unknown-form">
<li class="tab unknown-ziliao"><a href="javascript:void(0);">我的资料<span class="arrow">&gt;</span></a></li>
<li class="tab unknown-mingpian"><a href="javascript:void(0);">生成名片<span class="arrow">&gt;</span></a></li>
<li class="tab unknown-wenti"><a href="javascript:void(0);">常见问题<span class="arrow">&gt;</span></a></li>
<li class="tab unknown-jieshao"><a href="javascript:void(0);">公司介绍<span class="arrow">&gt;</span></a></li>
</ul>
<button class="clear button login">登录</button>
<div class="dividing-line">或</div>
<button class="clear button register">登录</button>
</section>

</body>

</html>

===========CSS===============

html,
body {
max- 640px;
background: #FFFFFF;
margin: 0 auto;
font-size: 62.5%;
}

.box-sizing {
box-sizing: border-box;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
-ms-box-sizing: border-box;
-o-box-sizing: border-box;
padding-left:2rem;
}

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

.clearfix {
*zoom: 1;
}

.unknown-form {
86%;
float: right;
margin-bottom: 3.5rem;
}

.unknown-form li {
height: 7;
line-height: 7rem;
border-bottom: 1px #E9E9E9 solid;
position: relative;
}

.unknown-form li a {
color: #000000;
font-size: 1.6rem;
display: block;
}

.unknown-form li .arrow {
float: right;
margin-right: 1rem;
color: #dedede;
}

.unknown-form .tab:before {
content: '';
display: block;
45px;
height: 45px;
position: absolute;
left: -6rem;
top: 1.4rem;
}

.unknown-form .unknown-ziliao:before {
background: url(../images/unknown-ziliao.png) no-repeat;
background-size: 45px 45px;
}

.unknown-form .unknown-mingpian:before {
background: url(../images/unknown-mingpian.png) no-repeat;
background-size: 45px 45px;
}

.unknown-form .unknown-wenti:before {
background: url(../images/unknown-wenti.png) no-repeat;
background-size: 45px 45px;
}

.unknown-form .unknown-jieshao:before {
background: url(../images/unknown-jieshao.png) no-repeat;
background-size: 45px 45px;
}

.clear {
clear: both;
display: block;
}

.button {
80%;
height: 3.5rem;
line-height: 3.5rem;
border: none;
color: #FFFFFF;
border-radius: 2px;
font-size: 2.1rem;
margin: 0 auto;
cursor: pointer;
}

.login {
background: #318AE4;
}

.register {
background: #5BB049;
}

.dividing-line {
80%;
margin: 0 auto;
text-align: center;
height: 30px;
line-height: 30px;
position: relative;
font-size:1.4rem;
}

.dividing-line:before {
content: "";
46%;
height: 1px;
background-color: #DEDEDE;
display: block;
right: 0px;
bottom: 15px;
position: absolute;
}

.dividing-line:after {
content: "";
46%;
height: 1px;
background-color: #DEDEDE;
display: block;
left: 0px;
bottom: 15px;
position: absolute;
}

========================

链接:http://files.cnblogs.com/files/leshao/unknown-02%E7%89%88%E6%9C%AC.rar

原文地址:https://www.cnblogs.com/leshao/p/5067060.html