/* The Overlay (background) */
.overlay {
	/* Height & width depends on how you want to reveal the overlay (see JS below) */		
	height: 100%;
	width: 100%;
	display: none;
	position: fixed; /* Stay in place */
	z-index: 1; /* Sit on top */
	left: 0;
	top: 0;
	background-color: rgb(0,0,0); /* Black fallback color */
	background-color: rgba(0,0,0, 0.9); /* Black w/opacity */
	overflow-x: hidden; /* Disable horizontal scroll */
	transition: 0.5s; /* 0.5 second transition effect to slide in or slide down the overlay (height or width, depending on reveal) */
	z-index: 1001;
}

/* Position the content inside the overlay */
.overlay-content {
	position: relative;
	top: 5%; /* 25% from the top */
	width: 100%; /* 100% width */
	text-align: left; /* Centered text/links */
	margin-top: 30px; /* 30px top margin to avoid conflict with the close button on smaller screens */
	margin-left: 5%;
	column-count: 2;
	column-rule-style: solid;
	column-rule-color: #555555;
}

.overlay-content-navigation {
	position: relative;
	top: 5%; /* 25% from the top */
	width: 90%; /* 100% width */
	text-align: left; /* Centered text/links */
	margin-top: 30px; /* 30px top margin to avoid conflict with the close button on smaller screens */
	/* margin-left: 5%; */
	margin-left: 0;
	column-count: 3;
	column-rule-style: solid;
	column-rule-color: #555555;
}

@media only screen and (max-width: 680px){
	.overlay-content-navigation {
		column-rule-style: none;
		column-gap: 0;
		margin-left: 1em;
	}
	.overlay-content-navigation ul, li {
		margin-left:0.5em;
		padding-left:0;
	}
}



.overlay-content-help {
	position: relative;
	top: 5%; /* 25% from the top */
	text-align: left;
	font-size: 1.25 rem;
	width:90vw;
	height:90vh;
	font-family: -apple-system, Helvetica, sans-serif;
}

/* The navigation links inside the overlay */
.overlay a {
	padding: 8px;
	text-decoration: none;
	font-size: 20px;
	color: #818181;
	display: block; /* Display block instead of inline */
	transition: 0.3s; /* Transition effects on hover (color) */
}

/* When you mouse over the navigation links, change their color */
.overlay a:hover, .overlay a:focus {
	color: #f1f1f1;
}

/* Position the close button (top right corner) */
.overlay .closebtn {
	position: absolute;
	top: 0;
	left: 20px;
	font-size: 60px;
}

/* When the height of the screen is less than 450 pixels, change the font-size of the links and position the close button again, so they don't overlap */
@media screen and (max-height: 450px) {
	.overlay a {font-size: 20px}
	.overlay .closebtn {
		font-size: 40px;
		top: 15px;
		right: 35px;
	}
}