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Detailed explanation of labels, badges, giant screens and headers in Bootstrap

青灯夜游

Mar 30, 2021 pm 07:00 PM

bootstrapbadgePrompt messageLabel

In Bootstrap, there are some components used for prompt information, such as labels, badges, giant screens and headers. This article will introduce you to the prompt information in Bootstrap. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

Related recommendations: "bootstrap tutorial"

tag

In some Web pages, a Tags are used to tell the user some additional information. For example, if a new navigation item is added to the navigation, a "new" tag may be added to tell the user

This effect is deliberately used in the Bootstrap framework Extract it and become a label component, and use the ".label" style to achieve highlighting

The method of use is very simple, you can use an inline label like span

<h3>Example heading <span>New</span>
</h3>

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

[Auto-hide]

When there is no content, automatically hide

.label:empty {
    display: none;
}

<h3>Example heading <span></span>
</h3>

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

[Color Settings]

and buttons The element button is similar, and the label style also provides a variety of colors:

☑ label-default: default label, dark gray

☑ label-primary: main label, dark blue

☑ label-success: success label, green

☑ label-info: information label, light blue

☑ label-warning: warning label, orange

☑ label -danger: error label, red

Mainly use these class names to modify the background color and text color

<span>Default</span>
<span>Primary</span>
<span>Success</span>
<span>Info</span>
<span>Warning</span>
<span>Danger</span>

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

badge

In a sense, the badge effect is very similar to the label effect introduced earlier. It is also used to make some prompt messages. What often appears is the information sent by some systems, such as the system prompts how many messages are unread

In the Bootstrap framework, this effect is called the badge effect, and the "badge" style is used to achieve it

You can use span tags to make them like tags, and then add the badge class

<a>Inbox <span>42</span></a>

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

【Auto-hide】

If not New or unread information entries, that is, they do not contain any content, and the badge component can be automatically hidden (implemented through the CSS :empty selector)

.badge:empty {
    display: none;
}

<a>Inbox <span></span></a>

[Button Badge]

The badge has a similar style in the button element button and capsule navigation nav-pills, but the colors are different

Home 42
Profile
Messages 3

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

Giant screen

This is a lightweight, flexible component that can extend to the entire browser viewport to display key content on the website

<div>
  <h1 id="小火柴的蓝色理想">小火柴的蓝色理想</h1>
  <p>好的代码像粥一样，都是用时间熬出来的</p>
  <p><a>Learn more</a></p>
</div>

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

If Add rounded corners to the giant screen component and place this component inside the .container element

<div>
    <div>
        <h1 id="小火柴的蓝色理想">小火柴的蓝色理想</h1>
        <p>好的代码像粥一样，都是用时间熬出来的</p>
        <p><a>Learn more</a></p>
    </div>
</div>

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

Header

The header component can add appropriate space to the h1 tag and form a certain separation from other parts of the page. It supports the default effect of small elements embedded in h1 tags, and also supports most other components (need to add some additional styles)

.page-header {
    padding-bottom: 9px;
    margin: 40px 0 20px;
    border-bottom: 1px solid #eee;
}

<div>
  <h1>Example page header <small>Subtext for header</small>
</h1>
</div>

Detailed explanation of labels, badges, giant screens and headers in Bootstrap

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