小编Kor*_*ock的帖子

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 …