class="btn btn-default"
btn:按钮
btn-default:按钮-默认样式。-后可以修改
<a class="btn btn-default" href="#" role="button">Link</a> <button class="btn btn-default" type="submit">Button</button> <input class="btn btn-default" type="button" value="Input"> <input class="btn btn-default" type="submit" value="Submit">
<!-- Standard button --> <button type="button" class="btn btn-default">(默认样式)Default</button> <!-- Provides extra visual weight and identifies the primary action in a set of buttons --> <button type="button" class="btn btn-primary">(首选项)Primary</button> <!-- Indicates a successful or positive action --> <button type="button" class="btn btn-success">(成功)Success</button> <!-- Contextual button for informational alert messages --> <button type="button" class="btn btn-info">(一般信息)Info</button> <!-- Indicates caution should be taken with this action --> <button type="button" class="btn btn-warning">(警告)Warning</button> <!-- Indicates a dangerous or potentially negative action --> <button type="button" class="btn btn-danger">(危险)Danger</button> <!-- Deemphasize a button by making it look like a link while maintaining button behavior --> <button type="button" class="btn btn-link">(链接)Link</button>