dropdown menu appearing even when not hovered on a menu item - html

Question

I have a problem with my dropdown sub-menu. It is working fine except from the fact that when i hover mouse beneath the menu the dropdown submenu appears. i have placed z-index value to -1 and opacity to 0 but it does not do any good. Following is the code of CSS
.menu {
float:left;
width:1000px;
margin:0px auto;
}
.menu li {
margin:0px;
list-style:none;
}
.menu a {
transition:all linear 0.15s;
color:#919191;
}
.menu li:hover > a, .menu .current-item > a {
text-decoration:none;
color:#be5b70;
}
.menu .arrow {
font-size:11px;
line-height:0%;
}
/*----- Top Level -----*/
.menu > ul > li {
float:left;
display:inline-block;
border-left: 1px solid rgb(226, 226, 226);
position:relative;
font-size:19px;
}
.menu > ul > li > a {
padding:26px 30px;
display:block;
text-shadow:0px 1px 0px rgba(0,0,0,0.4);
font-size: 1.1em;
}
.menu > ul > li:hover > a, .menu > ul > .current-item > a {
background:#2e2728;
}
.menu ul li:nth-child(6){
border-right: 1px solid rgb(226, 226, 226);
}
.menu li:hover .sub-menu {
z-index:1;
opacity:1;
}
.menu .arrow {
font-size:11px;
line-height:0%;
}
#navbar{
position:relative;
z-index:12;
}
.sub-menu {
width: 160%;
padding: 5px 0px;
position: absolute;
top: 100%;
left: 0px;
z-index:-1;
opacity: 0;
transition: opacity linear 0.15s;
box-shadow: 0px 2px 3px rgba(0,0,0,0.2);
background: #2e2728;
background-color:#FFF;
/*max-height:0;*/
}
.sub-menu li {
display:block;
font-size:16px;
z-index: 101;
}
.sub-menu li a {
padding:10px 30px;
display:block;
}
.sub-menu li a:hover, .sub-menu .current-item a {
background:#3e3436;
}
And the code where I used it is
<div id="navbar">
<nav class="menu">
<ul class="clearfix">
<li>Home</li>
<li>Men <span class="arrow">▼</span>
<ul class="sub-menu">
<li>OutFitters</li>
<li>Levi's</li>
<li>StoneAge</li>
<li>Zara Men</li>
<li>Cougar</li>
</ul>
</li>
<li>Women <span class="arrow">▼</span>
<ul class="sub-menu">
<li>OutFitters</li>
<li>EGO</li>
<li>Jimmy Choo</li>
<li>Origins</li>
<li>Stylo</li>
</ul>
</li>
<li>Kids <span class="arrow">▼</span>
<ul class="sub-menu">
<li>OutFitters junior</li>
<li>Bubble Gummers</li>
<li>Breakout Kids</li>
<li>Next Kids</li>
</ul>
</li>
<li>About La-Centro</li>
<li>Contact us</li>
<div class="clear"></div>
</ul>
</nav>
</div>

Answer 1

The code works Absolutely fine.
Try to clear Catche and try again.
.menu {
float:left;
width:1000px;
margin:0px auto;
}
.menu li {
margin:0px;
list-style:none;
}
.menu a {
transition:all linear 0.15s;
color:#919191;
}
.menu li:hover > a, .menu .current-item > a {
text-decoration:none;
color:#be5b70;
}
.menu .arrow {
font-size:11px;
line-height:0%;
}
/*----- Top Level -----*/
.menu > ul > li {
float:left;
display:inline-block;
border-left: 1px solid rgb(226, 226, 226);
position:relative;
font-size:19px;
}
.menu > ul > li > a {
padding:26px 30px;
display:block;
text-shadow:0px 1px 0px rgba(0,0,0,0.4);
font-size: 1.1em;
}
.menu > ul > li:hover > a, .menu > ul > .current-item > a {
background:#2e2728;
}
.menu ul li:nth-child(6){
border-right: 1px solid rgb(226, 226, 226);
}
.menu li:hover .sub-menu {
z-index:1;
opacity:1;
}
.menu .arrow {
font-size:11px;
line-height:0%;
}
#navbar{
position:relative;
z-index:12;
}
.sub-menu {
width: 160%;
padding: 5px 0px;
position: absolute;
top: 100%;
left: 0px;
z-index:-1;
opacity: 0;
transition: opacity linear 0.15s;
box-shadow: 0px 2px 3px rgba(0,0,0,0.2);
background: #2e2728;
background-color:#FFF;
/*max-height:0;*/
}
.sub-menu li {
display:block;
font-size:16px;
z-index: 101;
}
.sub-menu li a {
padding:10px 30px;
display:block;
}
.sub-menu li a:hover, .sub-menu .current-item a {
background:#3e3436;
}
<link rel="stylesheet" href="styles.css" type="text/css" />
<div id="navbar">
<nav class="menu">
<ul class="clearfix">
<li>Home</li>
<li>Men <span class="arrow">▼</span>
<ul class="sub-menu">
<li>OutFitters</li>
<li>Levi's</li>
<li>StoneAge</li>
<li>Zara Men</li>
<li>Cougar</li>
</ul>
</li>
<li>Women <span class="arrow">▼</span>
<ul class="sub-menu">
<li>OutFitters</li>
<li>EGO</li>
<li>Jimmy Choo</li>
<li>Origins</li>
<li>Stylo</li>
</ul>
</li>
<li>Kids <span class="arrow">▼</span>
<ul class="sub-menu">
<li>OutFitters junior</li>
<li>Bubble Gummers</li>
<li>Breakout Kids</li>
<li>Next Kids</li>
</ul>
</li>
<li>About La-Centro</li>
<li>Contact us</li>
<div class="clear"></div>
</ul>
</nav>
</div>