不能似乎得到我的專欄和頁腳之間的差距或差距。我曾嘗試使用填充和邊距,但似乎不起作用(請參閱#footer)。最終目標是在列下添加幾個<div>
。頁腳是第一個。我是CSS新手,所以想學習基礎知識。如何在我的CSS佈局中在我的列和頁腳之間添加空白/空白?
鏈接的jsfiddle HTML/CSS:http://jsfiddle.net/41Lpcq2o/
CSS:
body {
background-color: #F7F7F0;
}
header {
background-image: url("header.jpg");
background-repeat: no-repeat;
width: 1000;
height: 200;
align-content: center;
margin-left: 140px;
}
h1 {
color: #ffffff;
padding: 10px;
text-align: left;
}
#nav ul {
list-style: none;
background-color: black;
margin-left: 140;
margin-right: 280;
height: 40px;
margin-top: 0;
color: white;
}
#nav li {
display: inline-block;
padding-top: 10px;
padding-left: 50px;
padding-right: 50px;
padding-bottom: 10px;
}
#col1 {
margin-left: 10%;
width: 20%;
height: 30%;
float: left;
background-color: lightgray;
}
#col2 {
float: left;
margin-left: 1%;
height: 30%;
width: 20%;
background-color: lightgray;
}
#col3 {
float: left;
width: 20%;
height: 30%;
margin-left: 1%;
background-color: lightgray;
}
#footer {
clear: both;
margin-top: 20px;
padding-top: 20px;
border-top: 1px solid #545454;
background-color: #b6c5a3;
height: 60;
margin-left: 10%;
margin-right: 20%;
color: #492b40;
font: 11px/12px Verdana, Arial, Helvetica, sans-serif;
}
HTML
<link rel="stylesheet" href="Style.css">
<header>
<div id="heading">
<h1> Hello there !!! </h1>
</div>
</header>
<div id="nav">
<ul>
<li> Home </li>
<li> About </li>
<li> Contact </li>
<li> Links</li>
</ul>
</div>
<div id="Content">
<div id="col1">
col1
</div>
<div id="col2">
col2
</div>
<div id="col3">
col 3
</div>
</div>
<div id="footer">
<p>Copyright 2004 xyz Association</p>
<p>All rights reserved etc etc...</p>
</div>
這段代碼似乎添加了空格:content:'';隨着:之後。你能否詳細說明這是幹什麼的:content:''? – Stingray