body {
  margin: 0;

  background-size: cover; /* Makes the image fit the entire screen */
  background-repeat: no-repeat; /* Ensures no repetition of the image */
  background-position: center; /* Centers the image */
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('image.jpeg');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.1; /* Adjust this value for desired transparency */
  z-index: -1; /* Ensures the image stays behind other content */
}

.body-wrap {

  width: 100%;
  min-height: 500px;
  margin: 0 auto;
  font-size: 12px;
}

.pres-timeline {
  font-family: roboto, helvetica, sans-serif;
  font-size: 12px;
  color: #4A4A4A;
  width: 100%;
  margin: 30px 0;
}
.pres-timeline > div > div {
  padding: 1em 0;
  box-sizing: border-box;
}
.pres-timeline .periods-container, .pres-timeline .cards-container {
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
  min-height: 100px;
  transition: height 0.5s ease-in-out;
}
.periods-container:before {
  background-image: linear-gradient(left, #FFF, rgba(248, 248, 248, 0));
  left: 0;
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  height: 100%;
  width: 100px;
}
.periods-container:after {
  background-image: linear-gradient(right, #FFF, rgba(248, 248, 248, 0));
  right: 0;
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  height: 100%;
  width: 100px;
}
.periods-container .btn-back, .periods-container .btn-next {
  display: inline-block;
  width: 15%;
  height: 100%;
  position: absolute;
  cursor: pointer;
  z-index: 10;
  transition: 0.3s ease-in-out;
}
.periods-container .btn-back:hover, .periods-container .btn-next:hover {
  background-color: rgba(0, 0, 0, 0.05);
}
.periods-container .btn-back.hide, .periods-container .btn-next.hide {
  display: none;
}
.periods-container .btn-back {
  left: 0;
}
.periods-container .btn-next {
  right: 0;
}
.periods-container section {
  width: 70%;
  height: 0;
  position: absolute;
  margin-left: 15%;
  border-bottom: 5px solid #dfe3e6;
  padding: 1.5em;
  box-sizing: border-box;
  transition: transform 0.3s ease-in-out, opacity 0.2s ease, height 0.3s ease;
  bottom: 0;
  opacity: 0;
  background-color: #fff;
}
.periods-container section.active {
  height: auto;
  opacity: 1;
  transform: translateX(0);
  z-index: 5;
}
.periods-container section.active .title, .periods-container section.active p {
  display: block;
}
.periods-container section.prev {
  height: auto;
  opacity: 0.4;
  transform: translateX(-100%);
  z-index: 0;
}
.periods-container section.prev .year {
  text-align: right;
}
.periods-container section.next {
  height: auto;
  opacity: 0.4;
  transform: translateX(100%);
  z-index: 0;
}
.periods-container section .year {
  font-size: 20px;
  font-weight: 400;
}
.periods-container section .title {
  color: #4A4A4A;
  font-size: 28px;
  font-weight: 400;
  display: none;
}
.periods-container section p {
  display: none;
}

.timeline-container {
  position: relative;
  width: 100%;
  height: 50px;
  overflow: hidden;
}
.timeline-container:before {
  background-image: linear-gradient(left, #FFF, rgba(248, 248, 248, 0));
  left: 0;
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  height: 100%;
  width: 100px;
}
.timeline-container:after {
  background-image: linear-gradient(right, #FFF, rgba(248, 248, 248, 0));
  right: 0;
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  height: 100%;
  width: 100px;
}
.timeline-container .timeline {
  position: absolute;
  display: block;
  height: 50px;
  transition: left 0.3s ease-in-out;
}
.timeline-container .timeline ol {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #3d45aa;
  list-style: none;
  padding-left: 210px;
  padding-right: 300px;
}
.timeline-container .timeline ol li {
  display: inline-block;
  padding: 5px;
  margin-top: -11px;
  margin-left: 80px;
  border-radius: 50%;
  border: 3px solid #7f9298;
  background-color: #FFF;
  position: relative;
  cursor: pointer;
}
.timeline-container .timeline ol li.active {
  box-shadow: none;
}
.timeline-container .timeline ol li.active:before {
  content: "";
  display: block;
  height: 25px;
  width: 1px;
  position: absolute;
  top: -25px;
  transition: opacity 0.3s ease-in-out;
}
.timeline-container .timeline ol li.active:after {
  content: "";
  display: block;
  height: 25px;
  width: 1px;
  position: absolute;
  bottom: -25px;
  transition: opacity 0.3s ease-in-out;
}
.timeline-container .btn-back, .timeline-container .btn-next {
  display: inline-block;
  position: absolute;
  cursor: pointer;
  margin-top: -11px;
  z-index: 800;
  transition: all 0.3s ease;
}
.timeline-container .btn-back.hide, .timeline-container .btn-next.hide {
  display: none;
}
.timeline-container .btn-back:hover, .timeline-container .btn-next:hover {
  border-color: #7f9298;
}
.timeline-container .btn-back {
  left: 1em;
}
.timeline-container .btn-next {
  right: 1em;
}

.cards-container:before {
  background-image: linear-gradient(left, #FFF, rgba(248, 248, 248, 0));
  left: 0;
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  height: 100%;
  width: 100px;
}
.cards-container:after {
  background-image: linear-gradient(right, #FFF, rgba(248, 248, 248, 0));
  right: 0;
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  height: 100%;
  width: 100px;
}
.cards-container section {
  width: 70%;
  position: absolute;
  margin-left: 15%;
  margin-bottom: 2em;
  border: 1px solid #f5f7f6;
  padding: 1em;
  box-sizing: border-box;
  transition: transform 0.3s ease-in-out;
  top: 0;
  opacity: 0;
  border-radius: 8px;
  background-color: #fff;
  font-size: 10px;

}
.cards-container section.active {
  height: auto;
  opacity: 1;
  transform: translateX(0);
  z-index: 5;
}
.cards-container section.prev {
  height: auto;
  opacity: 0.4;
  transform: translateX(-105%);
  z-index: 0;
}
.cards-container section.next {
  height: auto;
  opacity: 0.4;
  transform: translateX(105%);
  z-index: 0;
}
.cards-container section .year {
  text-align: center;
  font-size: 16px;
  margin: 0;
}
.cards-container section .title {
  font-weight: 400;
}
.cards-container section img {
  width: 100%;
}