*{
    font-family: Barlow;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
  }
  body{
    background-color: #111;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

/* Loader */
.loading.active{
    transition: 0.5s;
    opacity: 0;
    visibility: hidden;
}
.loading_logo img{
    height: 200px;
  }
  .loading_text{
    font-family: Barlow;
    font-weight: 600;
    color: white;
  }
  .loading_container{
    background-color: #111;
    overflow: hidden;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0; left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    align-content: center; 
    justify-content: center;  
    z-index: 100000;
  }
  .loader {
    margin-top: 18px;
    overflow: hidden;
    display: flex;

  }
  
  .loader__element {
    border-radius: 50%;
    border: 3px solid white;
    margin: calc(3px * 2.5);
  }
  
  .loader__element:nth-child(1) {
    animation: preloader .6s ease-in-out alternate infinite;
  }
  .loader__element:nth-child(2) {
    animation: preloader .6s ease-in-out alternate .2s infinite;
  }
  
  .loader__element:nth-child(3) {
    animation: preloader .6s ease-in-out alternate .4s infinite;
  }
  
  @keyframes preloader {
    100% { transform: scale(1.6); }
  }

  /* Home */

  a{
    all: unset;
    font-size: 20px;
    color: white;
    cursor: pointer;
  }
  .home{
    display: flex;
  }
  .home_ISS{
    width: 50%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    
  }
  .home_ISS img{
    width: 700px;  
    margin: 0 auto;
    
  }
.home_information{ 
    
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.home_title span{
  color: #DB240B;
}

.home_title{
    margin-top: 10px;
    font-weight: 300;
    color: white;
    font-size: 35px;
}
hr{
  all: unset;
}
.home_line{
    background-color: white;
    height: 2px;
    width: 100px;
    margin-top: 30px;
}
.home_description{
    margin-top: 30px;
    margin-bottom: 30px;
    font-size: 20px;
    color: white;
}
.buttonStroke{
    
    all: unset;
    margin-top: 30px;
    border: 2px solid;
    border-color: white;
    color: white;
    font-size: 20px;
    padding: 12px;
    cursor: pointer;
    overflow:hidden;
    margin-top: 20px;
    transition: .15s;
}
.buttonStroke:hover {
    border-color: white;
    background-color: white;
    color: black;
}


/* History */
.history{
  opacity: 0;
  transition: 1s ease-in;
}
.history.active{
  opacity: 1;
}
.history_title{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.history_title p{
  font-weight: 300;
    color: white;
    font-size: 35px;
}
.date{
  color: #DB240B;
}
.shadow.reachedButtom{
	opacity: 0;
}
.back{
  height: 30px;
	width: 30px;
  position: fixed;
  bottom: 100px;
  right: 100px;
  opacity: 1;
  transition: 1s ease-in;
}
.back.hide{
  opacity: 0;
}
.back svg{
	height: 30px;
	width: 30px;
	fill: gray;
	
  transform: rotate(90deg);
}

.container {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0;
  background-color: #111;
}
.timeline {
  width: 80%;
  height: auto;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.timeline ul {
  list-style: none;
}
.timeline ul li {
  padding: 20px;
  background-color: #1e1f22;
  color: white;
  border-radius: 10px;
  margin-bottom: 20px;
}
.timeline ul li:last-child {
  margin-bottom: 0;
}
.timeline-content h1 {
  font-weight: 500;
  font-size: 25px;
  line-height: 30px;
  margin-bottom: 10px;
}
.timeline-content p {
  font-size: 16px;
  line-height: 30px;
  font-weight: 300;
}
.timeline-content .date {
  font-size: 17px;
  font-weight: 300;
  margin-bottom: 10px;
  letter-spacing: 2px;
}




li::after {
	transition: background 0.5s ease-in-out;
  }
  
  li.in-view::after {
	background: #f45b69;
  }
  
  li {
	visibility: hidden;
	opacity: 0;
	transition: all 0.5s ease-in-out;
	
  }
  

  

  
  li.in-view {
	transform: none;
	visibility: visible;
	opacity: 1;
	transform: translate3d(200px, 0, 0);
  }
  

  .scroll-downs {
	width :34px;
	height: 55px;
	position: fixed;
  left: 50%;
	bottom: 10%;
	z-index: 9999;
	transition: .2s ease-out;
  }
  .scroll-downs.scrolled{
	opacity: 0;
  }
  .mousey {
	width: 3px;
	padding: 10px 15px;
	height: 35px;
	border: 2px solid #fff;
	border-radius: 25px;
	opacity: 0.75;
	box-sizing: content-box;
  }
  .scroller {
	width: 3px;
	height: 10px;
	border-radius: 25%;
	background-color: #fff;
	animation-name: scroll;
	animation-duration: 2.2s;
	animation-timing-function: cubic-bezier(.15,.41,.69,.94);
	animation-iteration-count: infinite;
  }
  @keyframes scroll {
	0% { opacity: 0; }
	10% { transform: translateY(0); opacity: 1; }
	100% { transform: translateY(15px); opacity: 0;}
  }


@media only screen and (min-width: 768px) {
  .timeline:before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: gray;
  }
  .timeline ul li {
    width: 50%;
    position: relative;
    margin-bottom: 50px;
  }
  .timeline ul li:nth-child(odd) {
    float: left;
    clear: right;
    transform: translateX(-30px);
    border-radius: 20px 0px 20px 20px;
  }
  .timeline ul li:nth-child(even) {
    float: right;
    clear: left;
    transform: translateX(30px);
    border-radius: 0px 20px 20px 20px;
  }
  .timeline ul li::before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background-color: gray;
    top: 0px;
  }
  .timeline ul li:nth-child(odd)::before {
    transform: translate(50%, -50%);
    right: -30px;
  }
  .timeline ul li:nth-child(even)::before {
    transform: translate(-50%, -50%);
    left: -30px;
  }
  .timeline-content .date {
    position: absolute;
    top: -30px;
  }
}

.timeline img{
	height: 150px;
	width: 150px;
	border-radius: 50%;
}
.timeline-content{
	display: flex;
	gap: 50px;
}