14.css设置内联元素span等标签常识问题
2020-02-18 本文已影响0人
欣博客
1.内联元素不能设置width和height
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
span{
background-color: #bfa;
}
.box1{
width: 100px;
height: 100px;
background-color: red;
}
.s1{
width: 200px;
height: 200px;
}
</style>
</head>
<body>
<span class="s1">我是一个span</span>
<span class="s2">我是一个span</span>
<span>我是一个span</span>
<span>我是一个span</span>
<div class="box1"></div>
</body>
</html>
预览效果:
image.png
2.padding水平内边距,内联元素可以设置水平方向的内边距
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
span{
background-color: #bfa;
}
.box1{
width: 100px;
height: 100px;
background-color: red;
}
.s1{
padding-left: 100px ;
padding-right: 100px ;
}
</style>
</head>
<body>
<span class="s1">我是一个span</span>
<span class="s2">我是一个span</span>
<span>我是一个span</span>
<span>我是一个span</span>
<div class="box1"></div>
</body>
</html>
预览效果:
image.png
3. padding垂直方向内边距，内联元素可以设置垂直方向内边距，不会影响页面的布局
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
span{
background-color: #bfa;
}
.box1{
width: 100px;
height: 100px;
background-color: red;
}
.s1{
padding-top: 50px;
padding-bottom: 50px;
}
</style>
</head>
<body>
<span class="s1">我是一个span</span>
<span class="s2">我是一个span</span>
<span>我是一个span</span>
<span>我是一个span</span>
<div class="box1"></div>
</body>
</html>
预览效果:
image.png
3.margin水平外边距,内联元素支持水平方向的外边距
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
span{
background-color: #bfa;
}
.box1{
width: 100px;
height: 100px;
background-color: red;
}
.s1{
margin-left:100px ;
margin-right: 100px;
}
</style>
</head>
<body>
<span class="s1">我是一个span</span>
<span class="s2">我是一个span</span>
<span>我是一个span</span>
<span>我是一个span</span>
<div class="box1"></div>
</body>
</html>
预览效果:
image.png
4.margin 内联元素不支持垂直外边距
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
span{
background-color: #bfa;
}
.box1{
width: 100px;
height: 100px;
background-color: red;
}
.s1{
margin-top: 200px;
margin-bottom: 200px;
}
</style>
</head>
<body>
<span class="s1">我是一个span</span>
<span class="s2">我是一个span</span>
<span>我是一个span</span>
<span>我是一个span</span>
<div class="box1"></div>
</body>
</html>
image.png
