Bootstrap按钮下拉菜单组件详解_javascript技巧

 
 1
 2
 3
 4
 5
 6
 
 
 7
 8
 
 
 9
 
 

 
 按钮下拉菜单
 
 
 
 
菜单列表1
 
菜单列表2
 
菜单列表3
 
菜单列表4
 
菜单列表5
 
 

.btn-group .dropdown-toggle:active,
.btn-group.open .dropdown-toggle {
 outline: 0;
}
.btn-group > .btn + .dropdown-toggle {
 padding-right: 8px;
 padding-left: 8px;
}
.btn-group > .btn-lg + .dropdown-toggle {
 padding-right: 12px;
 padding-left: 12px;
}
.btn-group.open .dropdown-toggle {
 -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
 box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
}
.btn-group.open .dropdown-toggle.btn-link {
 -webkit-box-shadow: none;
 box-shadow: none;
}

 按钮下拉菜单
 

.caret {
 display: inline-block;
 width: 0;
 height: 0;
 margin-left: 2px;
 vertical-align: middle;
 border-top: 4px solid;
 border-right: 4px solid transparent;
 border-left: 4px solid transparent;
}