如何更改Bootstrap中手风琴选项卡的背景颜色？

Question

我正在尝试更改手风琴上标签的背景颜色.当我更改CSS中的背景颜色时,它只会改变文本背后的颜色而不是整个颜色.

这是我的代码的一部分:

<div class="panel-group" id="accordion">
    <div class="panel panel-default">
        <div class="panel-heading">
        <h4 class="panel-title">
            <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
      Collapsible Group Item #1
            </a>
        </h4>
        </div>
        <div id="collapseOne" class="panel-collapse collapse in">
        <div class="panel-body">
            Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
    </div>
    </div>
</div>

Answer 1

你可能会改变background-color锚标记,如果只有文字的背景正在发生变化,相反,使用下面的CSS选择器,更改background-color的panel-heading:

.panel-default > .panel-heading {
    background-color:#000;
}