Recently was manufacturing the HTML page, because many two row places needed one side to decide the width, another one side auto-adapted width. When needs under pulls the menu effect, regardless of the z-index value suppose to high, menu DIV throughout not in page most top layer.
HTML
<div class=”a”>
a <div class=”menu”>sub a</div>
</div>
<div class=”b”>
b
</div>
CSS
.a {
position:relative;
background:#f00;
}
.menu{
position:absolute;
background:#0ff;
height:50px;
z-index:99;
}
.b {
position:relative;
background:#ff0;
}
The above […]

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