html - 如何摆脱屏幕底部的空白区域？

Question

问题

我的屏幕底部有这个讨厌的空白区域，即使我执行 margin-bottom: 0 或 padding-bottom: 0，它也不会消失>.

如果有人能去掉底部的这个空白区域，将不胜感激!

我的代码

HTML

<div class="container-fluid no-lr-padding no-b-padding">
 ....
<div id="Menu" class="row-fluid no-b-padding">
            <div id="Menu-Header" class="header">
                <h1>Problems</h1> 
            </div>
            <div class="panel-group" id="problem-panels">
                <div class="panel panel-default top-panel">
                    <div class="panel-heading" data-toggle="collapse" href="#collapse1">
                        <h4 class="panel-title">
                            Cox Subtraction Level 1c
                        </h4> 
                    </div>
                    <div id="collapse1" class="panel-collapse collapse in">
                        <div class="panel-body">
                            <ul class="nav nav-pills">
                                <li class="active"><a>11</a></li>
                                <li><a>12</a></li>
                                <li><a>13</a></li>
                                <li><a>14</a></li>
                            </ul>
                        </div>
                    </div>
                </div>
                <div class="panel panel-default">
                    <div class="panel-heading">
                        <h4 class="panel-title" data-toggle="collapse" href="#collapse2">
                            Cox Addition Level 3b
                        </h4> 
                    </div>
                    <div id="collapse2" class="panel-collapse collapse">
                        <div class="panel-body">panel body 2</div>
                    </div>
                </div>
                <div class="panel panel-default bottom-panel">
                    <div class="panel-heading">
                        <h4 class="panel-title" data-toggle="collapse" href="#collapse3">
                            Cox Subtraction Level 2a
                        </h4> 
                    </div>
                    <div id="collapse3" class="panel-collapse collapse">
                        <div class="panel-body">panel body 3</div>
                    </div>
                </div>
            </div>
        </div>
</div>

CSS

.no-b-padding{
    padding-bottom: 0;
    margin-bottom: 0;
}

JSFiddle

Answer 1

您需要从问题面板 div 中删除底部边距:

#problem-panels {
  margin-bottom:0;
}

jsFiddle example