:root {
	--background-color: #1e549f;
	--main-color: #008698;
	--main-color2: #07c4dd;
	--width: 500px;
	--margin-left-1: 50px;
	--margin-left-2: -550px;
}

* {
	box-sizing: border-box;
	padding: 0;
	margin: 0;
}

body {
	font-family: Arial, Helvetica, sans-serif;
	line-height: 1.4;
	background: var(--background-color);
	overflow-x: hidden;
	width: 100vw;
}

ul {
	list-style: none;
}

#main {
	padding: 3rem;
	width: 100vw;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	color: #fff;
	background: var(--main-color);
	box-shadow: 0 1px 10px -3px #000;
}

#main h1 {
	padding-bottom: 0.5rem;
	font-size: 3rem;
}

#main h3 {
	font-weight: lighter;
}

#timeline {
	display: flex;
	align-items: center;
	justify-content: center;
	/* padding: 2rem; */
	width: 100vw;
	/* /* height: 100vh; */
}

#timeline-events {
	display: flex;
	flex-direction: column;

	/* background: wheat; */
	width: 100%;
	padding: 2rem;
}

#timeline-events li {
	align-self: center;
	/* display: block; */
	width: 5px;
	background-color: #fff;
	position: relative;
	transition: all 1s 1s ease-in-out;
}

#timeline-events li.show {
	background: var(--main-color);
}

#timeline-events li div {
	align-self: center;
	/* display: block; */
	margin-top: 3rem;
	margin-bottom: 3rem;
	width: var(--width);
	padding: 1rem;
	background-color: var(--main-color);
	color: #fff;
	border-radius: 20px;
	transition: all 1s ease-in-out;
	visibility: hidden;
	opacity: 0;
}

#timeline-events li div h3 {
	padding-bottom: 1rem;
}

#timeline-events li:nth-child(2n + 1) div {
	transform: translateX(300px);
	margin-left: var(--margin-left-1);
	border-bottom-left-radius: 0px;
	transition: all 1s ease-in-out;
}

#timeline-events li:nth-child(2n + 0) div {
	transform: translateX(-300px);
	margin-left: var(--margin-left-2);
	border-bottom-right-radius: 0px;
	transition: all 1s ease-in-out;
}

/* Dots */
#timeline ul li:after {
	content: '';
	position: absolute;
	left: 50%;
	bottom: 6%;
	width: 25px;
	height: 25px;
	background: #fff;
	z-index: 5;
	transform: translatex(-50%);
	border-radius: 50%;
	transition: all 0.3s 1s ease-in-out;
}

#timeline ul li.show:after {
	background: var(--main-color2);
}

/* arrows */

#timeline ul li.show div::before {
	visibility: visible;
	transition: all 1s 1s ease-in-out;
}

#timeline li div::before {
	content: '';
	position: absolute;
	bottom: 14%;
	width: 0;
	height: 0;
	border-style: solid;
	transition: all 1s ease-in-out;
	visibility: hidden;
}

#timeline li:nth-child(2n + 1) div::before {
	left: 35px;
	border-width: 16px 32px 16px 0;
	border-color: transparent var(--main-color) transparent transparent;
	transform: rotate(-45deg);
	transition: all 1s ease-in-out;
}

#timeline li:nth-child(2n + 0) div::before {
	left: -66px;
	border-width: 32px 16px 0 16px;
	border-color: var(--main-color)transparent transparent transparent;
	transform: rotate(-45deg);
	transition: all 1s ease-in-out;
}


#timeline ul li.show div {
	transform: none;
	visibility: visible;
	opacity: 1;
}