.flex-parent {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	width: 100%;
	height: 100%;
}

.input-flex-container {
	display: flex;
	justify-content: space-around;
	align-items: center;
	width: 80vw;
	height: 300px;
	max-width: 1000px;
	position: relative;
	z-index: 0;
}

.input {
	width: 25px;
	height: 25px;
	background-color: #2C3E50;
	position: relative;
	border-radius: 50%;
}

	.input:hover {
		cursor: pointer;
	}

	.input::before, .input::after {
		content: "";
		display: block;
		position: absolute;
		z-index: -1;
		top: 50%;
		transform: translateY(-50%);
		background-color: #2C3E50;
		width: 4vw;
		height: 5px;
		max-width: 50px;
	}

	.input::before {
		left: calc(-4vw + 12.5px);
	}

	.input::after {
		right: calc(-4vw + 12.5px);
	}

	.input.active {
		background-color: #2C3E50;
	}

		.input.active::before {
			background-color: #2C3E50;
		}

		.input.active::after {
			background-color: #AEB6BF;
		}

		.input.active span {
			font-weight: 700;
		}

			.input.active span::before {
				font-size: 13px;
			}

			.input.active span::after {
				font-size: 15px;
			}

		.input.active ~ .input, .input.active ~ .input::before, .input.active ~ .input::after {
			background-color: #AEB6BF;
		}

	.input span {
		width: 1px;
		height: 1px;
		position: absolute;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		visibility: hidden;
	}

		.input span::before, .input span::after {
			visibility: visible;
			position: absolute;
			left: 50%;
		}

		.input span::after {
			content: attr(data-year);
			top: 25px;
			transform: translateX(-50%);
			font-size: 14px;
		}

		.input span::before {
			content: attr(data-info);
			top: -100px;
			width: 150px;
			transform: translateX(-5px) rotateZ(-45deg);
			font-size: 12px;
			text-indent: -10px;
		}

.description-flex-container {
	width: 80vw;
	font-style: normal;
	font-family: Poppins; 
	font-weight: normal;
	max-width: 1000px;
	min-height:150px;
}

	.description-flex-container p {
		margin-top: 0;
		display: none;
	}

		.description-flex-container p.active {
			display: block;
		}

@media (min-width: 1250px) {
	.input::before {
		left: -37.5px;
	}

	.input::after {
		right: -37.5px;
	}
}

@media (max-width: 850px) {
	.input {
		width: 17px;
		height: 17px;
	}

		.input::before, .input::after {
			height: 3px;
		}

		.input::before {
			left: calc(-4vw + 8.5px);
		}

		.input::after {
			right: calc(-4vw + 8.5px);
		}
}

@media (max-width: 600px) {
	.flex-parent {
		justify-content: initial;
	}

	.input-flex-container {
		flex-wrap: wrap;
		justify-content: center;
		width: 100%;
		height: auto;
		margin-top: 15vh;
	}

	.input {
		width: 100px;
		height: 100px;
		margin: 10px 10px 50px;
		background-color: #AEB6BF;
	}

		.input::before, .input::after {
			content: none;
		}

		.input span {
			width: 100%;
			height: 100%;
			display: block;
		}

			.input span::before {
				top: calc(100% + 5px);
				transform: translateX(-50%);
				text-indent: 0;
				text-align: center;
			}

			.input span::after {
				top: 50%;
				transform: translate(-50%, -50%);
				color: #ECF0F1;
			}

	.description-flex-container {
		margin-top: 30px;
		text-align: center;
	}
}

@media (max-width: 400px) {
	body {
		min-height: 950px;
	}
}