Forum - Zahyan Technologies

HTML5

<nav id="menu">
<label for="tm" id="toggle-menu">Navigation <span class="drop-icon">▾</span></label>
<input type="checkbox" id="tm">
<ul class="main-menu clearfix">
<li><a href="#">Sample</a></li>
<li><a href="#">2-level DD
<span class="drop-icon">▾</span>
<label title="Toggle Drop-down" class="drop-icon" for="sm1">▾</label>
</a>
<input type="checkbox" id="sm1">
<ul class="sub-menu">
<li><a href="#">Item 2.1</a></li>
<li><a href="#">Item 2.2
<span class="drop-icon">▾</span>
<label title="Toggle Drop-down" class="drop-icon" for="sm2">▾</label>
</a>
<input type="checkbox" id="sm2">
<ul class="sub-menu">
<li><a href="#">Item 2.2.1</a></li>
<li><a href="#">Item 2.2.2</a></li>
<li><a href="#">Item 2.2.3</a></li>
</ul>
</li>
<li><a href="#">Item 3.4</a></li>
</ul>
</li>
<li><a href="#">Another Sample</a></li>
</ul>
</nav>


CSS

#menu ul {
margin: 0;
padding: 0;
}

#menu .main-menu {
display: none;
}

#tm:checked + .main-menu {
display: block;
}

#menu input[type="checkbox"],
#menu ul span.drop-icon {
display: none;
}

#menu li,
#toggle-menu,
#menu .sub-menu {
border-style: solid;
border-color: rgba(0, 0, 0, .05);
}

#menu li,
#toggle-menu {
border-width: 0 0 1px;
}

#menu .sub-menu {
background-color: #444;
border-width: 1px 1px 0;
margin: 0 1em;
}

#menu .sub-menu li:last-child {
border-width: 0;
}

#menu li,
#toggle-menu,
#menu a {
position: relative;
display: block;
color: white;
text-shadow: 1px 1px 0 rgba(0, 0, 0, .125);
}

#menu,
#toggle-menu {
background-color: #09c;
}

#toggle-menu,
#menu a {
padding: 1em 1.5em;
}

#menu a {
transition: all .125s ease-in-out;
-webkit-transition: all .125s ease-in-out;
}

#menu a:hover {
background-color: white;
color: #09c;
}

#menu .sub-menu {
display: none;
}

#menu input[type="checkbox"]:checked + .sub-menu {
display: block;
}

#menu .sub-menu a:hover {
color: #444;
}

#toggle-menu .drop-icon,
#menu li label.drop-icon {
position: absolute;
right: 1.5em;
top: 1.25em;
}

#menu label.drop-icon, #toggle-menu span.drop-icon {
border-radius: 50%;
width: 1em;
height: 1em;
text-align: center;
background-color: rgba(0, 0, 0, .125);
text-shadow: 0 0 0 transparent;
color: rgba(255, 255, 255, .75);
}

#menu .drop-icon {
line-height: 1;
}


Responsive CSS

@media only screen and (max-width: 64em) and (min-width: 52.01em) {
#menu li {
width: 33.333%;
}

#menu .sub-menu li {
width: auto;
}
}

@media only screen and (min-width: 52em) {
#menu .main-menu {
display: block;
}

#toggle-menu,
#menu label.drop-icon {
display: none;
}

#menu ul span.drop-icon {
display: inline-block;
}

#menu li {
float: left;
border-width: 0 1px 0 0;
}

#menu .sub-menu li {
float: none;
}

#menu .sub-menu {
border-width: 0;
margin: 0;
position: absolute;
top: 100%;
left: 0;
width: 12em;
z-index: 3000;
}

#menu .sub-menu,
#menu input[type="checkbox"]:checked + .sub-menu {
display: none;
}

#menu .sub-menu li {
border-width: 0 0 1px;
}

#menu .sub-menu .sub-menu {
top: 0;
left: 100%;
}

#menu li:hover > input[type="checkbox"] + .sub-menu {
display: block;
}
}