Responsive Show and Hide Navigation

by Michelle Anne

HTML

<div class="nav_wrapper">
<!--<a class="menu-link" href="#menu"></a>-->
  
 <div class="spinner-master">
  <input type="checkbox" id="spinner-form" />
  <label for="spinner-form" class="spinner-spin">
    <div class="spinner diagonal part-1"></div>
    <div class="spinner horizontal"></div>
    <div class="spinner diagonal part-2"></div>
  </label>
</div>
  
<a href="#search_box" class="btn" id="search">&#9740;</a>
<nav id="menu" class="menu">
 <ul class="dropdown">
		<li ><a href="#Link" title="Link">Home</a>
		<ul >
		<li ><a href="#Link" title="Link">Link » </a>
			<ul >
				<li ><a href="#Link" title="Link">Link</a></li>
				<li ><a href="#Link" title="Link">Link</a></li>
			</ul>
		</li>
		<li ><a href="#Link" title="Link">About</a></li>
		<li ><a href="#Link" title="Link">Link » </a>
			<ul >
				<li ><a href="#Link" title="Link">Link</a></li>
				<li ><a href="#link" title="Link">Link</a></li>
				<li ><a href="#Link" title="Link">Link </a></li>
			</ul>
		</li>
		</ul>
		</li>
		<li ><a href="#Link" title="Link">Category</a>
		<ul >
			<li ><a href="#Link" title="Link ">Link</a></li>
			<li ><a href="#Link" title="Link">Link</a></li>
		</ul>
		</li>
		<li ><a href="#Link" title="Link">Portfolio</a>
			<ul >
				<li ><a href="#Link" title="Link">Link</a></li>
				<li ><a href="#Link" title="Link">Link</a></li>
				<li ><a href="#Link" title="Link">Link</a></li>
			</ul>
		</li>
		<li ><a href="#Link" title="Link">Work</a>
		<ul >
			<li ><a href="#Link" title="Link">Link</a></li>
			<li ><a href="#Link" title="Link">Link</a></li>
			<li ><a href="#Link" title="Link">Link</a></li>
			<li ><a href="#Link" title=" Link"> Link</a></li>
		</ul>
		</li>
		<li ><a href="#Link" title="Link">Playground</a>
			<ul >
				<li ><a href="#Link" title="Link">Link  </a></li>
				<li ><a href="#Link" title="Link">Link</a></li>
				<li ><a href="#Link" title="Link">Link</a></li>
			</ul>
		</li>
		<li ><a href="#Link" title="Link">Sitemap</a></li>
	</ul>
	</nav>
<form...

CSS

html {
    font-family: sans-serif;
    color: #4b5f65;
    background: #f5f7fa;
}

nav {
    width: 100%;
}

.nav_wrapper {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    transition: top .5s ease-out;
    background: #2f3b3f;
}

.scroll {
    top: -90px;
}

.no-scroll {
    top: 0;
    z-index: 9999;
}

.btn {
    padding: 10px 1%;
    margin: 5px;
    color: #fff;
    text-decoration: none;
    font-family: sans-serif;
    transition: all 0.1s ease;
}

.btn:hover {
    transition: all 0.1s ease;
}

main {
    max-width: 800px;
    margin: 0 auto;
}

main p {
    1.2em;
}

#search {
    float: right;
    font-size: 30px;
    padding: 2px 15px;
    line-height: 40px;
    color: #fff;
    margin: 0;
    font-weight: 700;
    -webkit-transform: rotate(181deg);
    -moz-transform: rotate(181deg);
    -ms-transform: rotate(181deg);
    -o-transform: rotate(181deg);
    transform: rotate(181deg);
}

#search:hover {
    color: #efa666;
}

.search_box {
    clear: both;
    width: 100%;
    background: #e8ebf0;
    padding: 0;
    margin: 0;
    height: 0;
    overflow: hidden;
    transition: all 0.1s ease-in-out;
}

.search_box.active {
    height: auto;
    padding: 15px 0;
}

.search_box input {
    width: 80%;
    font-size: 13px;
    margin: 0 0 0 15px;
    padding: 10px;
    border: none;
    background: #fff;
}

.search_box input:focus {
    outline: none;
}

.search_box input.search_icon {
    clear: both;
    width: 10%;
    height: auto;
    padding: 10px;
    margin: 0;
    margin-left: -5px;
    border: none;
    color: #fff;
    cursor: pointer;
    background: #8c949d;
    opacity: 1;
    transition: all 0.1s ease;
}

.search_box input.search_icon:hover {
    background: #efa666;
}

.menu-link {
    display: none;
}

.spinner-master input[type=checkbox] {
    display: none;
}

.menu {
    width: 100%;
    height: auto;
    background: #2f3b3f;
    transition: all 0.3s ease;
}

.menu ul {
    padding: 0px;
    margin: 0px;
   ...

JavaScript

$("ul li:has(ul)").addClass("has-submenu");$("ul li ul").addClass("sub-menu");$("ul.dropdown li").hover(function(){$(this).addClass("hover")},function(){$(this).removeClass("hover")});var $menu=$("#menu"),$menulink=$("#spinner-form"),$search=$("#search"),$search_box=$(".search_box"),$menuTrigger=$(".has-submenu > a");$menulink.click(function(e){$menulink.toggleClass("active");$menu.toggleClass("active");if($search.hasClass("active")){$(".menu.active").css("padding-top","50px")}});$search.click(function(e){e.preventDefault();$search_box.toggleClass("active")});$menuTrigger.click(function(e){e.preventDefault();var t=$(this);t.toggleClass("active").next("ul").toggleClass("active")});$("ul li:has(ul)");$(function(){var e=$(document).scrollTop();var t=$(".nav_wrapper").outerHeight();$(window).scroll(function(){var n=$(document).scrollTop();if($(document).scrollTop()>=50){$(".nav_wrapper").css("position","fixed")}else{$(".nav_wrapper").css("position","fixed")}if(n>t){$(".nav_wrapper").addClass("scroll")}else{$(".nav_wrapper").removeClass("scroll")}if(n>e){$(".nav_wrapper").removeClass("no-scroll")}else{$(".nav_wrapper").addClass("no-scroll")}e=$(document).scrollTop()})})