<div id="nav">
<div>
<ul class="trigger">
<li><a href="#nav"><i class="fa fa-chevron-right" aria-hidden="true"></i></a></li>
<li><a href="#"><i class="fa fa-chevron-left" aria-hidden="true"></i></a></li>
</ul>
</div>
<div class="panel">
sample
</div>
</div>
ul.trigger {
list-style-type: none;
position: absolute;
top: 0;
z-index: 1;
li:first-child {
display: block;
}
li:last-child {
display: none;
}
a {
display: block;
padding: 10px 15px;
background: red;
border-radius: 40px;
text-decoration: none;
color: white;
font-size: 30px;
}
}
.panel {
background-color: green;
position: absolute;
left: 0;
top: 0;
width: 0;
height: 100px;
overflow: hidden;
transition: width .3s linear;
}
#nav:target {
li:first-child {
display: none;
}
li:last-child {
display: block;
}
.panel {
width: 500px;
}
}
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