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The answer from wikipedia ：Radio buttons were named after the physical buttons used on older radios to select preset stations1[2] – when one of the bu 阅读全文
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About hyperlinks: About hyperlinks: The main use of anchor tags - <a></a> - is as hyperlinks. That basically means that they take you somewhere. Hyper 阅读全文
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for example xs extra small sm small md media lg large xl extra large https://www.allacronyms.com/_medical/X/Extra 阅读全文
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What Is the Real Name of the #? On Facebook and Twitter, you tag your friends with the @ symbol and topics with the #. If you see something that says 阅读全文
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The answer from wikipedia ：Radio buttons were named after the physical buttons used on older radios to select preset stations1[2] – when one of the bu 阅读全文
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About hyperlinks: About hyperlinks: The main use of anchor tags - <a></a> - is as hyperlinks. That basically means that they take you somewhere. Hyper 阅读全文
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http://blog.dictionary.com/octothorpe/ What Is the Real Name of the #? On Facebook and Twitter, you tag your friends with the @ symbol and topics with 阅读全文
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Button Styles Bootstrap provides different styles of buttons: To achieve the button styles above,Bootstrap has the following classes: .btn .btn-defaul 阅读全文
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Button Groups Bootsrap allows you to group a series of buttons together(on a single line) in a button group: use a <div> element with class .btn-group 阅读全文