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                <div class="wrapper"><ul class="main-menu">
  <li id="menu-item-6" class="menu-item menu-item-type-post_type menu-item-object-page current-menu-item page_item page-item-4 current_page_item menu-item-6"><a href="/home/">Home</a></li>
  <li id="menu-item-16" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-16"><a href="#">Main Cat</a>
    <ul class="sub-menu">
      <li id="menu-item-7" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-7"><a href="/sample-page/">Sub Page 1</a></li>
      <li id="menu-item-14" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-14"><a href="/sample-page-2/">Sub Page 2</a></li>
  <li id="menu-item-77" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-77"><a href="/blog/">Blog</a></li>
  <li id="menu-item-15" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-15"><a href="/contact-us/">Contact us</a>
    <ul class="sub-menu">
      <li id="menu-item-78" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-78"><a href="contact-us-2/our-location/">Our Location</a></li>


.main-menu a, .main-menu a:hover{text-decoration:none}
.main-menu li{display:block;padding:0;position:relative;vertical-align:top}
.main-menu > li{background-color:#fff}
.main-menu > li > a{background-color:#fff;display:block;padding:.75em 1.25em;}
.main-menu ul.sub-menu{position:relative;padding:0}
.main-menu ul.sub-menu li{display:block}
.main-menu ul.sub-menu a{background-color:#666;color:#fff;padding:.75em 1.25em;display:block}
.main-menu > li:hover ul.sub-menu{}
.main-menu li{display:inline-block;}
	.main-menu > li > a{display:block;}
			.main-menu > li > a:hover{background-color:#f0f0f0;color:#039}
	.main-menu > li:hover ul.sub-menu, .main-menu > li:focus ul.sub-menu{visibility: visible;opacity:1}
	.main-menu >{padding-right:1.5em;overflow:hidden}
	.main-menu > a{padding:.75em .7em .7em 1.25em}
			.main-menu > a{background-color:#666;color:#fff}
	.main-menu >{content:'';position:absolute;right:.5em;top:1.2em;width: 0;height: 0;border-style: solid;border-width: 6px 5px 0 5px;border-color: #007bff transparent transparent}
	.main-menu >,
	.main-menu >{overflow:visible;background-color:#666}
	.main-menu ul.sub-menu{width:12em;position:absolute;/*top:100%;*/top:0;z-index:900;padding-top:3em;}
		.main-menu ul.sub-menu li{opacity:0}

	.main-menu > ul.sub-menu,
	.main-menu > ul.sub-menu{top:100%;padding-top:0;}

	.main-menu > ul.sub-menu li,
	.main-menu > ul.sub-menu li{opacity:1}

	.main-menu ul.sub-menu li{display:block}
	.main-menu ul.sub-menu a{display:block}
			.main-menu ul.sub-menu a:hover{background-color:#999;}

a, .sub-menu, .menu-item{-webkit-transition: all .3s ease-out;
-moz-transition: all .3s ease-out;
-ms-transition: all .3s ease-out;
-o-transition: all .3s ease-out;
transition: all .3s ease-out;}