The default grid system provided in Bootstrap utilizes 12 columns that render out at widths of 724px, 940px (default without responsive CSS included), and 1170px. Below 767px viewports, the columns become fluid and stack vertically.
<div class="row"> <div class="span4">...</div> <div class="span8">...</div> </div>
As shown here, a basic layout can be created with two "columns", each spanning a number of the 12 foundational columns we defined as part of our grid system.
<div class="row"> <div class="span4">...</div> <div class="span4 offset4">...</div> </div>
With the static (non-fluid) grid system in Bootstrap, nesting is easy. To nest your content, just add a new .row
and set of .span*
columns within an existing .span*
column.
.span3
columns should be placed within a .span6
.
<div class="row"> <div class="span6"> Level 1 column <div class="row"> <div class="span3">Level 2</div> <div class="span3">Level 2</div> </div> </div> </div>
The fluid grid system uses percents for column widths instead of fixed pixels. It also has the same responsive variations as our fixed grid system, ensuring proper proportions for key screen resolutions and devices.
乐视体育相继丢失了亚冠和中超版权,证明了目前购买大版权模式难持续。所以,这么一算,拿下50-60万的企业客户还是有希望的。
<div class="row-fluid"> <div class="span4">...</div> <div class="span8">...</div> </div>
Nesting with fluid grids is a bit different: the number of nested columns doesn't need to match the parent. Instead, your columns are reset at each level because each row takes up 100% of the parent column.
<div class="row-fluid"> <div class="span12"> Level 1 of column <div class="row-fluid"> <div class="span6">Level 2</div> <div class="span6">Level 2</div> </div> </div> </div>
The default and simple 940px-wide, centered layout for just about any website or page provided by a single <div class="container">
.
<body> <div class="container"> ... </div> </body>
<div class="container-fluid">
gives flexible page structure, min- and max-widths, and a left-hand sidebar. It's great for apps and docs.
<div class="container-fluid"> <div class="row-fluid"> <div class="span2"> <!--Sidebar content--> </div> <div class="span10"> <!--Body content--> </div> </div> </div>
Media queries allow for custom CSS based on a number of conditions—ratios, widths, display type, etc—but usually focuses around min-width
and max-width
.
仅靠销售内容本身扩大成巨大的公司,我不太相信这个会成立。 人员结构存在问题,人力资源没能合理安排利用。
如果我想投资一个公司,首先会去这家公司,不是跟老板接触,而是跟这家公司的产品经理对话,一个产品有没有智慧化决定了它的商业模式能有多大。 客单价略高,菜品口味一般 雕爷牛腩客单价区间在150到200元之间,这个价位其实属于中档餐饮的价格了,但是雕爷牛腩的口味对比同类竞品并没有十分鲜明的特色,这就导致消费者期望过高,与实际体验形成落差。
Label | Layout width | Column width | Gutter width |
---|---|---|---|
Smartphones | 480px and below | Fluid columns, no fixed widths | |
Smartphones to tablets | 767px and below | Fluid columns, no fixed widths | |
Portrait tablets | 768px and above | 42px | 20px |
Default | 980px and up | 60px | 20px |
Large display | 1200px and up | 70px | 30px |
而未来,云后服务市场则有更多发挥空间。
<meta name="viewport" content="width=device-width, initial-scale=1.0">
Bootstrap doesn't automatically include these media queries, but understanding and adding them is very easy and requires minimal setup. You have a few options for including the responsive features of Bootstrap:
Why not just include it? Truth be told, not everything needs to be responsive. Instead of encouraging developers to remove this feature, we figure it best to enable it.
/* Landscape phones and down */ @media (max-width: 480px) { ... } /* Landscape phone to portrait tablet */ @media (max-width: 767px) { ... } /* Portrait tablet to landscape and desktop */ @media (min-width: 768px) and (max-width: 979px) { ... } /* Large desktop */ @media (min-width: 1200px) { ... }
For faster mobile-friendly development, use these basic utility classes for showing and hiding content by device.
据我所知,在公司化存在的短视频创业者中,至少有50%是正在或将来不排除通过制作服务来赚一点钱的。 如何从烟花式的“偶像派”走向常青树式“实力派”,才是网红餐厅打破宿命的症结所在。
当前,美图公司市值突破100亿美元,对整个厦门,乃至福建都有很积极的意义。 我也见识到了稿子是如何野蛮生产出来:从贴吧、微博、微信、门户里扒拉出300-500字,修改,再加上自己的“修饰”和“想象”,然后贴上三张图,取一个标题,发布。
人性化的设计 想要让你的APP少一点机械感,多一丝人情,多在微文案上下工夫就好了。 大量缺少品牌势能、品类赛道定位不清,人才、资本、战略处于低维的传统中小餐企将面临来自品类巨头的积压,使得“餐饮越来越不好做了”。
Class | Phones 480px and below | Tablets 767px and below | Desktops 768px and above |
---|---|---|---|
.visible-phone |
Visible | Hidden | Hidden |
.visible-tablet |
Hidden | Visible | Hidden |
.visible-desktop |
Hidden | Hidden | Visible |
.hidden-phone |
Hidden | Visible | Visible |
.hidden-tablet |
Visible | Hidden | Visible |
.hidden-desktop |
Visible | Visible | Hidden |