HTML

<div class="container">
    <h3>Title</h3>
    <div class="row">Content</div>
    <div class="row">Content</div>
    <h3>Title</h3>
    <div class="row">Content</div>
    <div class="row">Content</div>
    <div class="row">Content</div>
    <h3>Title</h3>
    <div class="row">Content</div>
    <div class="row">Content</div>
    <div class="row">Content</div>
    <div class="row">Content</div>
</div>

CSS

.container {
    width:600px;
    margin:0 auto;
}

.row {
    line-height:24pt;
    border: solid 1px black;
}

.row:nth-child(odd) {
    background: #e0e0e0;
}

h3 {
    line-height:36pt;
    font-weight:bold;
    color:blue;
}

fiddle

我本来以为已经在小提琴中的代码基本上会忽略标题并进行条带化，但它似乎认为标题是一个孩子