我一直试图将三列设置为主要内容区域的100%高度,并在顶部和底部设置页眉和页脚。
所需的行为是:
我最后使用table
和table-cell
解决方案,但是中间部分在页脚下方延伸-这导致不必要的滚动条出现,请参阅:
https://jsfiddle.net/rwone/rqmrxfbp
相关HTML
<div id="container">
<div id="left_col"></div>
<div id="main_content"></div>
<div id="right_col"></div>
</div>
<div id="footer"></div>
的CSS
#container {
display: table;
width: 100%;
height: 100%;
}
#left_col {
background: orange;
display: table-cell;
width: 15%;
}
#main_content {
background: #ff0;
display: table-cell;
}
#right_col {
background: green;
display: table-cell;
width: 15%;
}
#footer {
background: #3a3a3a;
height: 200px;
position: absolute;
width: 100%;
bottom: 0;
}
继续选择使用display: table
,在其中添加了适当的标记,而不是使用匿名表元素。
将来人们不知道它们的渲染方式,因此我认为添加它们将确保它们按预期工作(并使标记的读取更加容易)。
html, body{
height: 100%;
margin: 0;
}
.tbl{
display:table;
}
.row{
display:table-row;
}
.row.expanded{
height: 100%;
}
.cell{
display:table-cell;
}
.container,
.content{
width: 100%;
height: 100%;
}
.header {
background: #0099cc none repeat scroll 0 0;
height: 75px;
}
.menu {
border-bottom: 1px solid #555;
border-top: 1px solid #555;
background-color: #999;
height: 0;
}
.footer {
background: #3a3a3a;
height: 75px;
}
#left_col {
background: orange none repeat scroll 0 0;
width: 15%;
}
#main_content {
background: yellow none repeat scroll 0 0;
}
#right_col {
background: green none repeat scroll 0 0;
width: 15%;
}
ul#main_menu {
margin: 0;
padding: 0;
text-align: center;
}
#main_menu li {
border-right: 1px solid #555;
display: inline-block;
margin-right: -4px; /* might need adjustment based on font size */
width: 20%;
}
#main_menu li a {
color: #fff;
display: block;
font-family: arial;
font-size: 15px;
letter-spacing: 1px;
line-height: 24px;
padding: 5px 0;
text-decoration: none;
}
<div class="tbl container">
<div class="row">
<div class="cell header">
</div>
</div>
<div class="row">
<div class="cell menu">
<ul id="main_menu">
<li><a href="/">one</a></li><li><a href="/two.html">two</a></li><li><a href="/three.html">three</a></li><li><a href="/four.html">four</a></li><li><a href="/five.html">five</a></li>
</ul>
</div>
</div>
<div class="row expanded">
<div class="cell">
<div class="tbl content">
<div class="row">
<div id="left_col" class="cell">
long content <br>long content <br>long content <br>long content <br>
long content <br>long content <br>long content <br>long content <br>
long content <br>long content <br>long content <br>long content <br>
long content last
</div>
<div id="main_content" class="cell"></div>
<div id="right_col" class="cell"></div>
</div>
</div>
</div>
</div>
<div class="row">
<div class="cell footer">
</div>
</div>
</div>
用flexbox
标记可以清理一点
html, body{
margin: 0;
}
.flex{
display:flex;
}
.flex.column {
flex-direction: column
}
.flexitem{
}
.container{
min-height: 100vh;
}
.header {
background: #0099cc none repeat scroll 0 0;
height: 75px;
}
.menu {
border-bottom: 1px solid #555;
border-top: 1px solid #555;
background-color: #999;
}
.content,
#main_content{
flex: 1;
}
.footer {
background: #3a3a3a;
height: 75px;
}
#left_col {
background: orange none repeat scroll 0 0;
width: 15%;
}
#main_content {
background: yellow none repeat scroll 0 0;
}
#right_col {
background: green none repeat scroll 0 0;
width: 15%;
}
ul#main_menu {
margin: 0;
padding: 0;
text-align: center;
}
#main_menu li {
list-style-type: none;
border-right: 1px solid #555;
width: 20%;
}
#main_menu li a {
color: #fff;
display: block;
font-family: arial;
font-size: 15px;
letter-spacing: 1px;
line-height: 24px;
padding: 5px 0;
text-decoration: none;
}
<div class="flex column container">
<div class="header">
</div>
<div class="menu">
<ul id="main_menu" class="flex">
<li><a href="/">one</a></li><li><a href="/two.html">two</a></li><li><a href="/three.html">three</a></li><li><a href="/four.html">four</a></li><li><a href="/five.html">five</a></li>
</ul>
</div>
<div class="flex content">
<div id="left_col">
long content <br>long content <br>long content <br>long content <br>
long content <br>long content <br>long content <br>long content <br>
long content <br>long content <br>long content <br>long content <br>
long content last
</div>
<div id="main_content"></div>
<div id="right_col"></div>
</div>
<div class="footer">
</div>
</div>
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