.timeline_section{
    width: 100%;
    margin: 100px 0;
}

#timeline {
  position: relative;
}

#timeline .event {
  margin-bottom: 70px;
  position: relative;
}

#timeline .event .dot {
  background: #c8c8c8;
  height: 20px;
  width: 20px;
  position: relative;
  margin: 0 auto;
  z-index: 2;
  text-transform: uppercase;
  border-radius: 25px;
}

#timeline .event .dot span {
  position: relative;
  left: 30px;
  line-height: 20px;
  font-size: 1.25em;
  font-weight: 500;
  color: #4b4e5c;
}

#timeline .event .dot.active {
  background: #4b4e5c;
}

#timeline .event .dot.active span {
  color: #4b4e5c;
}
#timeline .event.big .dot {
  height: 75px;
  width: 75px;
  border-radius: 50%;
  background: #4b4e5c;
  border: 2px solid #dcdcdc;
  display: grid;
  place-items: center;
  padding: 3px;
}

#timeline .event.big .dot span {
  color: #fafafa;
  height: 65px;
  width: 65px;
  display: grid;
  place-items: center;
  border: 2px solid #fafafa;
  border-radius: 50%;
  left: 0;
  font-size: 16px;
  font-weight: 600;
}
#timeline .event:nth-child(even) .dot span {
  left: -55px;
  text-align: right;
}

#timeline .event:nth-child(even).big .dot span {
  left: 0;
  text-align: center;
}

#timeline .event:nth-child(odd) .timeline_tooltip {
  left: 0;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3 {
  position: relative;
  padding: 15px 15px 15px 57px;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:after,
#timeline .event:nth-child(odd) .timeline_tooltip h3:before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:after {
  left: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 10px solid #4b4e5c;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:before {
  left: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 10px solid;
  border-left-color: #4b4e5c;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:before {
  display: none;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:after {
  border-right-color: transparent;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3 i {
  float: left;
  border-left: none;
  margin: -15px 0 -15px -57px;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:hover,
#timeline .event:nth-child(odd) .timeline_tooltip.active h3 {
  position: relative;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:hover:after,
#timeline .event:nth-child(odd) .timeline_tooltip h3:hover:before,
#timeline .event:nth-child(odd) .timeline_tooltip.active h3:after,
#timeline .event:nth-child(odd) .timeline_tooltip.active h3:before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:hover:after,
#timeline .event:nth-child(odd) .timeline_tooltip.active h3:after {
  left: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 10px solid #e44826;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:hover:before,
#timeline .event:nth-child(odd) .timeline_tooltip.active h3:before {
  left: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 10px solid;
  border-left-color: #e44826;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:hover:before,
#timeline .event:nth-child(odd) .timeline_tooltip.active h3:before {
  display: none;
}

#timeline .event:nth-child(odd) .timeline_tooltip h3:hover:after,
#timeline .event:nth-child(odd) .timeline_tooltip.active h3:after {
  border-right-color: transparent;
}

#timeline .event .timeline_tooltip {
  position: absolute;
  left: 50%;
  top: -14px;
  margin-left: 30px;
  width: 42%;
}

#timeline .event .timeline_tooltip h3 {
  background: #4b4e5c;
  color: #fafafa;
  padding: 15px 57px 15px 15px;
  font-size: 16px;
  margin: 0;
  position: relative;
}

#timeline .event .timeline_tooltip h3:after,
#timeline .event .timeline_tooltip h3:before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
}

#timeline .event .timeline_tooltip h3:after {
  right: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid #4b4e5c;
}

#timeline .event .timeline_tooltip h3:before {
  right: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid;
  border-right-color: #4b4e5c;
}

#timeline .event .timeline_tooltip h3 i {
  float: right;
  width: 47px;
  height: 50px;
  margin: -15px -57px -15px 0;
}

#timeline .event .timeline_tooltip .timeline_tooltip_body {
  display: none;
  padding: 20px;
  position: relative;
  z-index: 10;
  background: #fafafa;
  border: 1px solid #e6e6e6;
  border-radius: 0 0 6px 6px;
}
#timeline .event .timeline_tooltip .timeline_tooltip_body p {
  color: #000;
  font-size: 14px;
  line-height: 27px;
  margin: 0;
}
#timeline .event .timeline_tooltip h3:hover,
#timeline .event .timeline_tooltip.active h3 {
  background: #e44826;
  cursor: pointer;
  position: relative;
}

#timeline .event .timeline_tooltip h3:hover:after,
#timeline .event .timeline_tooltip h3:hover:before,
#timeline .event .timeline_tooltip.active h3:after,
#timeline .event .timeline_tooltip.active h3:before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
}

#timeline .event .timeline_tooltip h3:hover:after,
#timeline .event .timeline_tooltip.active h3:after {
  right: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid #e44826;
}

#timeline .event .timeline_tooltip h3:hover:before,
#timeline .event .timeline_tooltip.active h3:before {
  right: 100%;
  top: 24px;
  margin-top: -10px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-right: 10px solid;
  border-right-color: #e44826;
}

#timeline .event .timeline_tooltip h3:hover i,
#timeline .event .timeline_tooltip.active h3 i {
  border-color: #ea6e53;
}

#timeline .line {
  height: 100%;
  width: 3px;
  background: #dcdcdc;
  position: absolute;
  top: 0;
  left: 49.85%;
}
#timeline .event .timeline_tooltip h3 i.icon_toggle {
  background: url("../image/arrow-down.svg") no-repeat;
  background-position: center;
  background-size: 20px;
  transform: rotate(0deg);
  transition: .2s ease-in;
}
#timeline .event .timeline_tooltip h3 i.icon_toggle-up {
  background: url("../image/arrow-down.svg") no-repeat;
  background-position: center;
  background-size: 20px;
  transform: rotate(180deg);
  transition: .2s ease-in;
}