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接下来我们通过 Bootstrap4 来创建一个简单的响应式网页。

在学习之前我们可以先看下效果
<
div
 
class
=
"
jumbotron text-center
"
 
style
=
"
margin-bottom:0
"
>
 
<
h1
>
我的第一个 Bootstrap 4 页面
h1
>
 
<
p
>
重置浏览器窗口大小查看效果!
p
>
 
div
>
 
<
nav
 
class
=
"
navbar navbar-expand-sm bg-dark navbar-dark
"
>
 
<
a
 
class
=
"
navbar-brand
"
 
href
=
"
#
"
>
导航
a
>
 
<
button
 
class
=
"
navbar-toggler
"
 
type
=
"
button
"
 
data-toggle
=
"
collapse
"
 
data-target
=
"
#collapsibleNavbar
"
>
 
<
span
 
class
=
"
navbar-toggler-icon
"
>
span
>
 
button
>
 
<
div
 
class
=
"
collapse navbar-collapse
"
 
id
=
"
collapsibleNavbar
"
>
 
<
ul
 
class
=
"
navbar-nav
"
>
 
<
li
 
class
=
"
nav-item
"
>
 
<
a
 
class
=
"
nav-link
"
 
href
=
"
#
"
>
链接
a
>
 
li
>
 
<
li
 
class
=
"
nav-item
"
>
 
<
a
 
class
=
"
nav-link
"
 
href
=
"
#
"
>
链接
a
>
 
li
>
 
<
li
 
class
=
"
nav-item
"
>
 
<
a
 
class
=
"
nav-link
"
 
href
=
"
#
"
>
链接
a
>
 
li
>
 
ul
>
 
div
>
 
nav
>
 
<
div
 
class
=
"
container
"
 
style
=
"
margin-top:30px
"
>
 
<
div
 
class
=
"
row
"
>
 
<
div
 
class
=
"
col-sm-4
"
>
 
<
h2
>
关于我
h2
>
 
<
h5
>
我的照片:
h5
>
 
<
div
 
class
=
"
fakeimg
"
>
这边插入图像
div
>
 
<
p
>
关于我的介绍..
p
>
 
<
h3
>
一些链接
h3
>
 
<
p
>
说明文本
p
>
 
<
ul
 
class
=
"
nav nav-pills flex-column
"
>
 
<
li
 
class
=
"
nav-item
"
>
 
<
a
 
class
=
"
nav-link active
"
 
href
=
"
#
"
>
激活状态
a
>
 
li
>
 
<
li
 
class
=
"
nav-item
"
>
 
<
a
 
class
=
"
nav-link
"
 
href
=
"
#
"
>
链接
a
>
 
li
>
 
<
li
 
class
=
"
nav-item
"
>
 
<
a
 
class
=
"
nav-link
"
 
href
=
"
#
"
>
链接
a
>
 
li
>
 
<
li
 
class
=
"
nav-item
"
>
 
<
a
 
class
=
"
nav-link disabled
"
 
href
=
"
#
"
>
禁用
a
>
 
li
>
 
ul
>
 
<
hr
 
class
=
"
d-sm-none
"
>
 
div
>
 
<
div
 
class
=
"
col-sm-8
"
>
 
<
h2
>
标题
h2
>
 
<
h5
>
副标题
h5
>
 
<
div
 
class
=
"
fakeimg
"
>
图像
div
>
 
<
p
>
一些文本..
p
>
 
<
p
>
菜鸟教程,学的不仅是技术,更是梦想!!!菜鸟教程,学的不仅是技术,更是梦想!!!菜鸟教程,学的不仅是技术,更是梦想!!!
p
>
 
<
br
>
 
<
h2
>
标题
h2
>
 
<
h5
>
副标题
h5
>
 
<
div
 
class
=
"
fakeimg
"
>
图像
div
>
 
<
p
>
一些文本..
p
>
 
<
p
>
菜鸟教程,学的不仅是技术,更是梦想!!!菜鸟教程,学的不仅是技术,更是梦想!!!菜鸟教程,学的不仅是技术,更是梦想!!!
p
>
 
div
>
 
div
>
 
div
>
 
<
div
 
class
=
"
jumbotron text-center
"
 
style
=
"
margin-bottom:0
"
>
 
<
p
>
底部内容
p
>
 
div
>
 尝试一下 »