我是使用Bootstrap的新手,並且遇到了使我的下拉菜單在移動設備上工作的問題。我所有的代碼都能在瀏覽器上完美運行,但是當我進入移動Safari時,下拉菜單不會出現在任何元素前面。我已經嘗試將z-index
設置爲大量數字,並移動了應位於z-index
下方較低位置的元素。似乎沒有什麼可以做到,所以我的導航會在其他元素前面出現。我將在下面發佈我的代碼。我還應該提到,在小桌面瀏覽器窗口中使用下拉菜單時,它可以按預期工作。這個問題只發生在IOS Safari上。任何幫助將是偉大的,謝謝!z-index在IOS上的Safari上不工作
HTML:
<div id="main_section">
<div class="container">
<!-- Navigation and Logo -->
<nav class="navbar navbar-default">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#collapse" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">COILERZ</a>
</div>
<div class="collapse navbar-collapse pull-right navlapse" id="collapse">
<ul class="nav navbar-nav" id="navigation">
<li><a href="about.php">About</a></li>
<li><a href="contact.php">Contact</a></li>
<li><a href="terms.php">Terms</a></li>
<li id="hide"><a>|</a></li>
<li><a href="#login">Login</a></li>
<li><a href="#sign_up">Sign Up</a></li>
</ul>
</div>
</nav>
<!-- Search Form -->
<div id="search_container">
<img src="images/logo.png">
<div class="col-lg-8 col-md-8 col-sm-8 col-xs-12 pull-center">
<div class="input-group">
<input type="text" class="form-control" placeholder="Search for a coil or wire">
<span class="input-group-btn">
<button class="btn btn-default" type="button">
<span class="glyphicon glyphicon-search"></span>
</button>
</span>
</div>
</div>
</div>
</div>
</div>
CSS:
#main_section {
width:100%;
height:334px;
background-color:$darkGrey;
color:$lightGrey;
.navbar-default {
background-color:transparent;
border:none;
height:75px;
.navbar-brand {
height:75px;
line-height:45px;
font-size:36px;
color:$lightGrey;
}
button {
border:none;
height:75px;
margin:0;
span {
background-color:$lightGrey;
}
&:hover {
background-color:transparent;
}
}
}
#navigation {
a {
height:75px;
line-height:45px;
color:$lightGrey;
background-color:$darkGrey;
z-index:3;
&:hover {
cursor:pointer;
text-decoration:underline;
}
}
@media only screen and (max-width : 768px) {
a {
height:40px;
line-height:20px;
}
}
}
#search_container {
z-index:-200;
img {
width:128px;
position:absolute;
left:0;
right:0;
margin:auto;
}
.pull-center {
float:none;
margin:0 auto;
}
.input-group {
position:relative;
top:138px;
input {
background-color:$lightGrey;
color:$darkGrey;
border:none;
height:41px;
}
button {
width:125px;
background-color:$blue;
border:none;
@include fadeBG(200ms);
span {
color:$lightGrey;
font-size:24px;
}
&:hover {
background-color:$green;
@include fadeBG(200ms);
cursor:pointer;
}
}
}
}
}
非常感謝。 –
沒問題。很高興它對你有效。 – JoeyG