按钮颜色属性有7种：1、“btn-primary”；2、“btn-info”；3、“btn-success”；4、“btn-warning”；5、“btn-danger”；6、“btn-inverse”；7、“btn-default”。
本教程操作环境：Windows7系统、bootsrap3.3.7版、DELL G3电脑
bootstrap 按钮颜色属性有7种：
bootstrap中可以使用下面列出的类可以快速创建一个带有预定义样式的按钮。
<!-- 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>
推荐学习：《bootstrap使用教程》
