body {
	margin: 0;
	padding: 0;
    font-family: sans-serif;
}

a {text-decoration: none;}

.container {
	margin: auto;
	width: 1000px;
}

ul {
	padding-left: 0;
    margin-top: 0;
    margin-bottom: 0;
	list-style: none;
}

nav {
	background: #0ca0d6;
	font-size: 0;
	position: relative;
    
}

nav > ul > li {
	display: inline-block;
  	font-size: 14px;
  	padding: 0 15px;
  	position: relative;
}

nav > ul > li > a {
	color: #fff;
  	display: block;
  	padding: 20px 0;
  	border-bottom: 3px solid transparent;
    transition: all .3s ease;
}
nav > ul > li:hover > a {
	color: #444; 
  	border-bottom: 3px solid #444;
}

.mega-menu {
	background: #eee;
  	visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity 0.5s linear;
  	position: absolute;
  	left: 0;
  	width: 100%;
    padding-bottom: 20px;
}
.mega-menu h3 {color: #444;}

.mega-menu .container {
    display: flex;
}
.mega-menu .item {
	flex-grow: 1;
    margin: 0 10px;
}
.mega-menu .item img {
    width: 100%;
}
.mega-menu a {
	border-bottom: 1px solid #ddd;
  	color: #4ea3d8;
  	display: block;
  	padding: 10px 0;
}
.mega-menu a:hover {color: #2d6a91;}


.dropdown {position: static;}

.dropdown:hover .mega-menu {
    visibility: visible;
    opacity: 1;
}