>网格可以制造第三方框架,例如960GS或Bootstrap Grid冗余,因为您可以轻松地自己完成所有操作!尽管Internet Explorer实现了规格的较旧版本,但此功能都得到了所有主要浏览器的支持。
>
如果您是网格布局的新手,请查看我们的初学者指南CSS网格指南。钥匙要点
> css网格布局简化了多列布局的创建,消除了对诸如浮子和显示桌子之类的旧技术的需求。> 与传统的CSS框架(如Bootstrap)相比
CSS网格的实现涉及定义一个具有显示的容器:网格,设置列和行,并使用简单的CSS规则将元素放入指定的网格区域。,但是CSS继续发展,现在我们有了CSS网格。从概念上讲,它类似于旧的表布局,但可以使用具有更灵活的布局的语义HTML元素。
首先:我们需要为文档定义基本的HTML结构。在此之前,让我们简要讨论最初的示例如何工作。它具有以下主要块:
请注意,您可以将身体用作全局.Container;在这种情况下,这只是偏爱的问题。总而言之,我们有六个主要领域:
<span><span><span><div</span> class<span>="container"</span>></span> </span> <span><span><span><header</span> class<span>="logo"</span>></span> </span> <span><span><span><h1</span>></span><span><span><a</span> href<span>="#"</span>></span>DemoSite<span><span></a</span>></span><span><span></h1</span>></span> </span> <span><span><span></header</span>></span> </span> <span><span><span><nav</span> class<span>="main-menu"</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Our clients<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Products<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Contact<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></nav</span>></span> </span> <span><span><span><main</span> class<span>="content-area"</span>></span> </span> <span><span><span><h2</span>></span>Welcome!<span><span></h2</span>></span> </span> <span><span><span><p</span>></span> </span> Content <span><span><span></p</span>></span> </span> <span><span><span></main</span>></span> </span> <span><span><span><aside</span> class<span>="sidebar"</span>></span> </span> <span><span><span><h3</span>></span>Additional stuff<span><span></h3</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span>></span>Items<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Are<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Listed<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Here<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Wow!<span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></aside</span>></span> </span> <span><span><span><section</span> class<span>="sponsors-wrapper"</span>></span> </span> <span><span><span><h2</span>></span>Our sponsors<span><span></h2</span>></span> </span> <span><span><span><section</span> class<span>="sponsors"</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/150x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x100"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span><footer</span> class<span>="footer"</span>></span> </span> <span><span><span><p</span>></span> </span> <span title="©">© 2018 DemoSite. White&Sons LLC. All rights (perhaps) reserved. </span> <span><span><span></p</span>></span> </span> <span><span><span></footer</span>></span> </span><span><span><span></div</span>></span> </span>
徽标
>所以,我建议拥有三列(以红色突出显示)和四行(以蓝色突出显示)。某些区域(例如徽标)将仅占据一列,而其他区域(如主内容)将跨越多列。稍后,我们可以轻松修改布局,移动周围的区域或添加新的区域。>
>
>现在将显示属性设置为网格,定义三列,并在主容器的左侧和右侧添加少量边距:
<span><span><span><div</span> class<span>="container"</span>></span> </span> <span><span><span><header</span> class<span>="logo"</span>></span> </span> <span><span><span><h1</span>></span><span><span><a</span> href<span>="#"</span>></span>DemoSite<span><span></a</span>></span><span><span></h1</span>></span> </span> <span><span><span></header</span>></span> </span> <span><span><span><nav</span> class<span>="main-menu"</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Our clients<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Products<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Contact<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></nav</span>></span> </span> <span><span><span><main</span> class<span>="content-area"</span>></span> </span> <span><span><span><h2</span>></span>Welcome!<span><span></h2</span>></span> </span> <span><span><span><p</span>></span> </span> Content <span><span><span></p</span>></span> </span> <span><span><span></main</span>></span> </span> <span><span><span><aside</span> class<span>="sidebar"</span>></span> </span> <span><span><span><h3</span>></span>Additional stuff<span><span></h3</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span>></span>Items<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Are<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Listed<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Here<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Wow!<span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></aside</span>></span> </span> <span><span><span><section</span> class<span>="sponsors-wrapper"</span>></span> </span> <span><span><span><h2</span>></span>Our sponsors<span><span></h2</span>></span> </span> <span><span><span><section</span> class<span>="sponsors"</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/150x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x100"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span><footer</span> class<span>="footer"</span>></span> </span> <span><span><span><p</span>></span> </span> <span title="©">© 2018 DemoSite. White&Sons LLC. All rights (perhaps) reserved. </span> <span><span><span></p</span>></span> </span> <span><span><span></footer</span>></span> </span><span><span><span></div</span>></span> </span>
显示:网格定义一个网格容器,并为其孩子设置特殊的格式上下文。 FR是一个特殊的单元,意思是“网格容器的自由空间的一部分”。 2 6 4给我们12,而6/12 = 0.5。这意味着中间的列将占据自由空间的50%。
>>我也想在行之间添加一些间距:
<span><span>.logo</span> { </span> <span>grid-area: logo; </span><span>} </span> <span><span>.main-menu</span> { </span> <span>grid-area: menu; </span><span>} </span> <span><span>.content-area</span> { </span> <span>grid-area: content; </span><span>} </span> <span><span>.sidebar</span> { </span> <span>grid-area: sidebar; </span><span>} </span> <span><span>.sponsors-wrapper</span> { </span> <span>grid-area: sponsors; </span><span>} </span> <span><span>.footer</span> { </span> <span>grid-area: footer; </span><span>} </span>
<span><span>.container</span> { </span> <span>display: grid; </span> <span>margin: 0 2rem; </span> <span>grid-template-columns: 2fr 6fr 4fr; </span><span>} </span>
设计标题
>还请注意,徽标和菜单垂直与中间对齐,这是使用线路高技巧实现的:
<span><span>.container</span> { </span> // ... <span>grid-gap: 2rem 1rem; </span><span>} </span>
使用CSS网格,事情将变得更简单:我们不需要任何CSS hacks。
<span>* { </span> <span>box-sizing: border-box; </span><span>} </span> <span>html { </span> <span>font-size: 16px; </span> <span>font-family: Georgia, serif; </span><span>} </span> <span>body { </span> <span>background-color: #fbfbfb; </span><span>} </span> <span>h1<span>, h2, h3</span> { </span> <span>margin-top: 0; </span><span>} </span> <span>header h1 { </span> <span>margin: 0; </span><span>} </span> <span>main p { </span> <span>margin-bottom: 0; </span><span>} </span>
我们的徽标应仅占据一列,而菜单应跨越两个列。我们可以借助网格 - 板序列属性来表达我们的意图,该属性引用了上面分配的网格区域名称:
<span><span>.main-header</span> { </span> <span>height: 3rem; </span><span>} </span>
>
现在,在y轴上对齐徽标:<span><span>.logo</span> { </span> // ... <span>height: 100%; </span> <span>line-height: 3rem; </span><span>} </span>
菜单应垂直居中并向右拉动:
>我们的菜单是使用UL和LI标签构建的,因此,我们还通过删除标记,无效的边距/拨片并将菜单设置为Flex容器来对它们进行一些样式。
<span><span>.container</span> { </span> // ... <span>grid-template-rows: 3rem; </span><span>} </span>
>就是这样。为了观察结果,我将使用启用方便的CSS网格荧光笔工具使用Firefox。 (对于其他浏览器也有类似的工具:例如,Chrome的Gridman。)要访问此工具,请按F12并选择.Container元素,该元素应该具有网格标签:
><span><span>.container</span> { </span> // ... <span>grid-template-areas: </span> <span>"logo menu menu"; </span><span>} </span>
<span><span>.logo</span> { </span> <span>grid-area: logo; </span> <span>align-self: center; </span><span>} </span>
荧光笔显示您的所有行和列以及它们与区域名称之间的边距。您可以自定义布局部分中的输出,该输出还列出了页面上的所有网格:
主内容和侧边栏
>
<span><span><span><div</span> class<span>="container"</span>></span> </span> <span><span><span><header</span> class<span>="logo"</span>></span> </span> <span><span><span><h1</span>></span><span><span><a</span> href<span>="#"</span>></span>DemoSite<span><span></a</span>></span><span><span></h1</span>></span> </span> <span><span><span></header</span>></span> </span> <span><span><span><nav</span> class<span>="main-menu"</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Our clients<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Products<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Contact<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></nav</span>></span> </span> <span><span><span><main</span> class<span>="content-area"</span>></span> </span> <span><span><span><h2</span>></span>Welcome!<span><span></h2</span>></span> </span> <span><span><span><p</span>></span> </span> Content <span><span><span></p</span>></span> </span> <span><span><span></main</span>></span> </span> <span><span><span><aside</span> class<span>="sidebar"</span>></span> </span> <span><span><span><h3</span>></span>Additional stuff<span><span></h3</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span>></span>Items<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Are<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Listed<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Here<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Wow!<span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></aside</span>></span> </span> <span><span><span><section</span> class<span>="sponsors-wrapper"</span>></span> </span> <span><span><span><h2</span>></span>Our sponsors<span><span></h2</span>></span> </span> <span><span><span><section</span> class<span>="sponsors"</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/150x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x100"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span><footer</span> class<span>="footer"</span>></span> </span> <span><span><span><p</span>></span> </span> <span title="©">© 2018 DemoSite. White&Sons LLC. All rights (perhaps) reserved. </span> <span><span><span></p</span>></span> </span> <span><span><span></footer</span>></span> </span><span><span><span></div</span>></span> </span>
这是结果,如Firefox的网格工具中所述:
<span><span>.logo</span> { </span> <span>grid-area: logo; </span><span>} </span> <span><span>.main-menu</span> { </span> <span>grid-area: menu; </span><span>} </span> <span><span>.content-area</span> { </span> <span>grid-area: content; </span><span>} </span> <span><span>.sidebar</span> { </span> <span>grid-area: sidebar; </span><span>} </span> <span><span>.sponsors-wrapper</span> { </span> <span>grid-area: sponsors; </span><span>} </span> <span><span>.footer</span> { </span> <span>grid-area: footer; </span><span>} </span>
赞助商
首先,调整网格 - 板截面以包括赞助商区域:
现在,将.sponsors部分也变成一个网格:
只要我们需要五个具有相等宽度的项目,重复()函数就可以用于定义列:
<span><span>.container</span> { </span> <span>display: grid; </span> <span>margin: 0 2rem; </span> <span>grid-template-columns: 2fr 6fr 4fr; </span><span>} </span>
<span><span>.container</span> { </span> // ... <span>grid-gap: 2rem 1rem; </span><span>} </span>
<span>* { </span> <span>box-sizing: border-box; </span><span>} </span> <span>html { </span> <span>font-size: 16px; </span> <span>font-family: Georgia, serif; </span><span>} </span> <span>body { </span> <span>background-color: #fbfbfb; </span><span>} </span> <span>h1<span>, h2, h3</span> { </span> <span>margin-top: 0; </span><span>} </span> <span>header h1 { </span> <span>margin: 0; </span><span>} </span> <span>main p { </span> <span>margin-bottom: 0; </span><span>} </span>
<span><span>.main-header</span> { </span> <span>height: 3rem; </span><span>} </span>
>此示例说明您可以嵌套网格而没有任何问题。另一个解决方案可能是使用Flexbox,但是在这种情况下,如果没有足够的宽度,则赞助商可能会包装。
<span><span>.logo</span> { </span> // ... <span>height: 100%; </span> <span>line-height: 3rem; </span><span>} </span>
>现在,我想将图像垂直和水平居中。我们可能会尝试执行以下操作:
位置对X和Y轴上的元素对齐。这是对自己的速记属性和自我合理的。
图像确实会对齐,但不幸的是,白色背景消失了。这是因为每个赞助器现在的宽度和高度等于图像的尺寸:
<span><span>.container</span> { </span> // ... <span>grid-template-rows: 3rem; </span><span>} </span>
现在,一切都正确显示了,现在我们知道网格与flexbox效果很好:
我们的最后一部分是页脚,实际上是最简单的部分。我们要做的就是将其跨到所有三列:
<span><span><span><div</span> class<span>="container"</span>></span> </span> <span><span><span><header</span> class<span>="logo"</span>></span> </span> <span><span><span><h1</span>></span><span><span><a</span> href<span>="#"</span>></span>DemoSite<span><span></a</span>></span><span><span></h1</span>></span> </span> <span><span><span></header</span>></span> </span> <span><span><span><nav</span> class<span>="main-menu"</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Our clients<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Products<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Contact<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></nav</span>></span> </span> <span><span><span><main</span> class<span>="content-area"</span>></span> </span> <span><span><span><h2</span>></span>Welcome!<span><span></h2</span>></span> </span> <span><span><span><p</span>></span> </span> Content <span><span><span></p</span>></span> </span> <span><span><span></main</span>></span> </span> <span><span><span><aside</span> class<span>="sidebar"</span>></span> </span> <span><span><span><h3</span>></span>Additional stuff<span><span></h3</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span>></span>Items<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Are<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Listed<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Here<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Wow!<span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></aside</span>></span> </span> <span><span><span><section</span> class<span>="sponsors-wrapper"</span>></span> </span> <span><span><span><h2</span>></span>Our sponsors<span><span></h2</span>></span> </span> <span><span><span><section</span> class<span>="sponsors"</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/150x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x100"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span><footer</span> class<span>="footer"</span>></span> </span> <span><span><span><p</span>></span> </span> <span title="©">© 2018 DemoSite. White&Sons LLC. All rights (perhaps) reserved. </span> <span><span><span></p</span>></span> </span> <span><span><span></footer</span>></span> </span><span><span><span></div</span>></span> </span>
>
使布局响应大屏幕
中等屏幕
<span><span>.logo</span> { </span> <span>grid-area: logo; </span><span>} </span> <span><span>.main-menu</span> { </span> <span>grid-area: menu; </span><span>} </span> <span><span>.content-area</span> { </span> <span>grid-area: content; </span><span>} </span> <span><span>.sidebar</span> { </span> <span>grid-area: sidebar; </span><span>} </span> <span><span>.sponsors-wrapper</span> { </span> <span>grid-area: sponsors; </span><span>} </span> <span><span>.footer</span> { </span> <span>grid-area: footer; </span><span>} </span>
>还要降低字体尺寸并堆放赞助商,以便它们在另一个下方显示。列之间的差距应为零(因为实际上只有一个列)。相反,我将在行之间设置差距:
<span><span>.container</span> { </span> <span>display: grid; </span> <span>margin: 0 2rem; </span> <span>grid-template-columns: 2fr 6fr 4fr; </span><span>} </span>
这是现在中屏幕上的布局外观:
<span><span>.container</span> { </span> // ... <span>grid-gap: 2rem 1rem; </span><span>} </span>
小屏幕
<span>* { </span> <span>box-sizing: border-box; </span><span>} </span> <span>html { </span> <span>font-size: 16px; </span> <span>font-family: Georgia, serif; </span><span>} </span> <span>body { </span> <span>background-color: #fbfbfb; </span><span>} </span> <span>h1<span>, h2, h3</span> { </span> <span>margin-top: 0; </span><span>} </span> <span>header h1 { </span> <span>margin: 0; </span><span>} </span> <span>main p { </span> <span>margin-bottom: 0; </span><span>} </span>
<span><span>.main-header</span> { </span> <span>height: 3rem; </span><span>} </span>
请注意,您甚至可以在各种屏幕上轻松地重新排列网格项目。假设我们想将菜单放在小屏幕上的菜单(以便访问者在页面上完成阅读材料后不必滚动)。为此,只需调整网格 - 板序列:
>值得一提的是,我们可以使赞助商完全不受任何媒体疑问而阻止响应。在自动拟合属性和MinMax功能的帮助下,这是可能的。要查看它们的行动,请调整这样的赞助商的样式:
<span><span>.logo</span> { </span> // ... <span>height: 100%; </span> <span>line-height: 3rem; </span><span>} </span>
自动填充意思是“用尽可能多的列填充行”。如果列没有足够的空间,则将其放置在下一行。
><span><span>.container</span> { </span> // ... <span>grid-template-rows: 3rem; </span><span>} </span>
所有这些意味着在较小的屏幕上,列可以缩小到最多的200px。如果仍然没有足够的空间,则将移动一条或多个列。这是应用上述CSS规则的结果:
>
>堆叠的菜单看起来不错,但是侧边栏可能应放在主要内容旁边,而不是下面。我们可以使用显示:inline-block:
<span><span><span><div</span> class<span>="container"</span>></span> </span> <span><span><span><header</span> class<span>="logo"</span>></span> </span> <span><span><span><h1</span>></span><span><span><a</span> href<span>="#"</span>></span>DemoSite<span><span></a</span>></span><span><span></h1</span>></span> </span> <span><span><span></header</span>></span> </span> <span><span><span><nav</span> class<span>="main-menu"</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Our clients<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Products<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span><li</span> class<span>="main-menu__item"</span>></span><span><span><a</span> href<span>="#"</span>></span>Contact<span><span></a</span>></span><span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></nav</span>></span> </span> <span><span><span><main</span> class<span>="content-area"</span>></span> </span> <span><span><span><h2</span>></span>Welcome!<span><span></h2</span>></span> </span> <span><span><span><p</span>></span> </span> Content <span><span><span></p</span>></span> </span> <span><span><span></main</span>></span> </span> <span><span><span><aside</span> class<span>="sidebar"</span>></span> </span> <span><span><span><h3</span>></span>Additional stuff<span><span></h3</span>></span> </span> <span><span><span><ul</span>></span> </span> <span><span><span><li</span>></span>Items<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Are<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Listed<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Here<span><span></li</span>></span> </span> <span><span><span><li</span>></span>Wow!<span><span></li</span>></span> </span> <span><span><span></ul</span>></span> </span> <span><span><span></aside</span>></span> </span> <span><span><span><section</span> class<span>="sponsors-wrapper"</span>></span> </span> <span><span><span><h2</span>></span>Our sponsors<span><span></h2</span>></span> </span> <span><span><span><section</span> class<span>="sponsors"</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/150x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x150"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/100x100"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span><figure</span> class<span>="sponsor"</span>></span> </span> <span><span><span><img</span> src<span>="https://via.placeholder.com/200x200"</span>></span> </span> <span><span><span></figure</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span></section</span>></span> </span> <span><span><span><footer</span> class<span>="footer"</span>></span> </span> <span><span><span><p</span>></span> </span> <span title="©">© 2018 DemoSite. White&Sons LLC. All rights (perhaps) reserved. </span> <span><span><span></p</span>></span> </span> <span><span><span></footer</span>></span> </span><span><span><span></div</span>></span> </span>
>。可以借助@supports CSS查询来解决。 IE不了解这些查询,但不需要:我们将使用它来修复网格!
><span><span>.logo</span> { </span> <span>grid-area: logo; </span><span>} </span> <span><span>.main-menu</span> { </span> <span>grid-area: menu; </span><span>} </span> <span><span>.content-area</span> { </span> <span>grid-area: content; </span><span>} </span> <span><span>.sidebar</span> { </span> <span>grid-area: sidebar; </span><span>} </span> <span><span>.sponsors-wrapper</span> { </span> <span>grid-area: sponsors; </span><span>} </span> <span><span>.footer</span> { </span> <span>grid-area: footer; </span><span>} </span>
现在,让我们照顾赞助商项目,并为每个块添加一些最高边距:
<span><span>.container</span> { </span> <span>display: grid; </span> <span>margin: 0 2rem; </span> <span>grid-template-columns: 2fr 6fr 4fr; </span><span>} </span>
>
<span><span>.container</span> { </span> // ... <span>grid-gap: 2rem 1rem; </span><span>} </span>
这是Internet Explorer中的布局外观:
<span>* { </span> <span>box-sizing: border-box; </span><span>} </span> <span>html { </span> <span>font-size: 16px; </span> <span>font-family: Georgia, serif; </span><span>} </span> <span>body { </span> <span>background-color: #fbfbfb; </span><span>} </span> <span>h1<span>, h2, h3</span> { </span> <span>margin-top: 0; </span><span>} </span> <span>header h1 { </span> <span>margin: 0; </span><span>} </span> <span>main p { </span> <span>margin-bottom: 0; </span><span>} </span>
<span><span>.main-header</span> { </span> <span>height: 3rem; </span><span>} </span>
请参阅pen sp:codepen上的sitepoint(@sitepoint)带网格的多柱布局。
<span><span>.logo</span> { </span> // ... <span>height: 100%; </span> <span>line-height: 3rem; </span><span>} </span>
>
>因此,如您所见,CSS网格是浮子的绝佳选择,并且已经准备好生产了。您可能需要为Internet Explorer提供一些后备规则(这实现了规范的较旧版本),但是如您所见,它们并不是很复杂,并且通常仍然可以使用该站点全部。您是否已经尝试使用CSS网格创建网站?您的印象是什么?在评论中分享您的想法!
经常询问有关CSS电网改造的问题
CSS Grid Retrofit的浏览器兼容性问题是什么? >
CSS网格改造与大多数现代浏览器兼容,包括Chrome,Firefox,Safari和Edge。但是,在较旧的浏览器或版本中,它可能无法正常工作。在多个浏览器中测试您的设计始终是一个好习惯,以确保其按预期工作。>开始使用CSS网格改造,您需要将容器元素定义为带有显示的网格:Grid:grid。然后,您可以使用网格 - 板块柱和网格 - 板条排定义列和行大小,并将其子元素与网格元素一起使用网格和网格 - 列和网格行。使用其他布局方法网格改造?
元素?
css网格改造允许元素重叠,这可以是创建唯一布局的强大工具。您可以控制与z index属性重叠元素的堆叠顺序。我可以将CSS网格改造用于垂直布局吗?>在使用CSS网格改造时,有哪些共同挑战?
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