.header_menu {
	display: flex;
	align-items: center;
	background-color: white;
	justify-content: space-between;
	margin: 15px;
	max-height: 70px;
}

.header_menu a:visited,
.header_menu a:link {
	color: black;
}

.menu-area {
	flex: 3;
	display: flex;
	justify-content: flex-end;
}

.logo-area {
	flex: 5;
}

.logo-area img {
	height: 70px;
}

nav img {
	max-width: 100%;
	max-height: 70px;
}

.main-nav {
	display: flex;
	flex: 1;
	justify-content: space-between;
}

nav li {
	display: block; 
}

nav a span {
	text-transform: uppercase;
	/*font-weight: 700;*/
	font-size: 85%;
}

/**** Main menu dropdown *******************************************************************************/

/* When it does show, it needs to show centered to the parent. */
#techniques-dropdown {
	left: 50%;
	transform: translateX(-50%);
}

.relative-element {
	position: relative;
}

/* Any element that will trigger a dropdown.  A menu item, for exmaple */
.dropdown-element {
	position: relative;
	display: inline-block;
}
.dropdown-element:hover {
	cursor: pointer;
}

/* Container of the dropdown content */
.dropdown-content {
	display: none;
	background-color: #ebebebd2;
	min-width: 250px;
}
/* Used by JS to show things on demand (a click, for example). */
.show {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: center;
	text-align: center;
}

/* Contents will be overlayed over others */
.overlay-menu {
	position: absolute;
	box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
	z-index: 1;
}
.overlay-menu > li {	/* Immediate children that are li will get this */
	padding : 15px 10px;
	border-bottom: solid 1px #000;
}

/* Contents will be inserted into others (perhaps as a submenu). */
.insert-menu {
	position: static;
	background-color: rgba(0, 0, 0, 0);  /* Transparent.  Just use current background */
}
.insert-menu > li {
	margin : 15px 10px;
}


/**** Mobile menu *******************************************************************************/

.mobile-nav-icon { 
    cursor: pointer; 
    display: none;
}

.mobile-nav-icon i { 
    font-size: 200%;
    color: rgb(0, 0, 0);
}

/* bit nasty, especially the min width */
#mobile-dropdown {
	right: 10px;
}