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我有一个工具提示，由于父div上的overflow: auto而隐藏。CSS overflow：自动隐藏工具提示
<div id="content">
<div id="wrapper">
<div class="item"><span class="tooltip">Tooltip text</span></div>
<div class="item"><span class="tooltip">Tooltip text</span></div>
<div class="item"><span class="tooltip">Tooltip text</span></div>
</div>
</div>
#wrapper {
width: 400px;
height: 100px;
border: 1px solid #ccc;
border-radius: 10px;
overflow: auto;
padding: 10px;
}
.item {
width: 50px;
height: 50px;
border: 1px solid #ccc;
border-radius: 10px;
margin-top: 10px;
position: relative;
}
.item:hover .tooltip {
visibility: visible;
}
.item .tooltip {
visibility: hidden;
background-color: black;
color: #fff;
padding: 5px 0;
border-radius: 6px;
overflow: auto;
z-index: 1;
width: 100px;
position: absolute;
}