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How to center the image in bootstrap

There is a very simple method in Bootstrap 3 to achieve responsive horizontal and vertical center alignment of images. This can be achieved by adding the css class img-responsive center-block to the image.

Jul 18, 2019 pm 05:47 PM

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How to set the background image in bootstrap to adapt to the screen size

Bootstrap sets the background image to adapt to the screen size: the css code is: .bg{background:url no-repeat center;background-size:contain;} As long as it is referenced in a div, the background image can be adapted.

Jul 18, 2019 pm 05:34 PM

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Why use bootstrap

First of all, Bootstrap comes from Twitter, is produced by a major manufacturer, and is open source. It has naturally been tested for a long time, which reduces the workload of testing. Bootstrap's code has very good code specifications, and you can learn a lot from it. This allows developers to easily provide the best experience for web pages on desktops, tablets, and mobile phones.

Jul 18, 2019 pm 05:21 PM

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How to adapt bootstrap to mobile phone screen

Bootstrap adapts to mobile phone screens: 1. Some of the HTML elements and CSS attributes used need to set the page to the HTML5 document type. 2. In order to ensure proper drawing and touch screen scaling, the viewport metadata tag needs to be added to .

Jul 18, 2019 pm 05:19 PM

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How to set bootstrap dotted line

Bootstrap dashed line setting code:

. Through this code, you can add a dotted line in bootstrap.

Jul 18, 2019 pm 05:06 PM

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How are the files starting with bootstrap imported?

Introduce those files starting with bootstrap through the tag, which defines the relationship between the document and external resources. The most common use of the tag is to link style sheets.

Jul 18, 2019 pm 04:56 PM

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What are the classes for verifying prompt status in bootstrap?

The verification prompt status in bootstrap includes (.has-warning: warning status yellow), (.has-error: error status red), (.has-success: success status green).

Jul 18, 2019 pm 04:43 PM

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How to turn a div into a circle with bootstrap

Bootstrap can use border-radius to set the div tag into a circle. As long as the value of border-radius is set to 50%, it can become a circle.

Jul 18, 2019 pm 04:35 PM

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How to implement rounded borders in bootstrap

Using .img-thumbnail for bootstrap images will have a rounded border. If other elements require rounded borders, this can be achieved by setting .border-radius and .border.

Jul 18, 2019 pm 04:23 PM

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How to use bootstrap layout it

After entering Layout It, you can use dragging to edit web pages. Users do not need to master javascript, html5 or css3 in depth to easily and quickly build a Bootstrap responsive layout and complete the writing of front-end code.

Jul 18, 2019 pm 03:57 PM

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What problem is statistical bootstrap used to solve?

Classical statistics is relatively perfect for central tendency, but it is not perfect for interval estimation of some other distribution parameters, such as median, quartiles, standard deviation, coefficient of variation, etc., so the method of bootstrap is needed. Therefore, the Bootstrap method can solve many problems that cannot be solved by traditional statistical analysis methods.

Jul 18, 2019 pm 03:36 PM

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What development tools are used for bootstrap?

Bootstrap uses webstrom development tools to develop web pages. Because bootsrap has a better browsing effect on Google Chrome, and this tool can be browsed directly on Google. Many shortcut keys are also very convenient to use.

Jul 18, 2019 pm 03:23 PM

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Is bootstrap a js library?

no. Although Bootstrap includes more than a dozen custom jQuery plug-ins. However, all plug-ins cannot be used, and jQuery must be quoted before the plug-in file. This shows that bootstrap is not a js library and cannot directly support jQuery plug-ins.

Jul 18, 2019 pm 03:08 PM

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What are the components of bootstrap official website?

The components of the bootstrap official website are drop-down menus, button groups, button drop-down menus, navigation, navigation bars, path navigation, paging, layout, thumbnails, warning dialog boxes, progress bars, media objects and other components. Based on these components, you can quickly build A beautiful, fully functional website.

Jul 18, 2019 pm 02:56 PM

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