.list_header_top{height: 150px;}
.history_title{
    font-weight: bold;
    font-size: 42px;
    text-align: center;
    color: #6510AD;
    margin-bottom: 80px;
}
.headbox {
    width: 80px;
    margin: 0 auto;
    text-align: center;
    height: 30px;
    background-color: #6510AD;
    color: white;
    line-height: 30px;
    font-weight: bold;
    border-radius: 3px;
}
.timeline {
  list-style: none;
  position: relative;
  max-width: 1200px;
  padding: 20px;
  margin: 0 auto;
  overflow: hidden;
}

.timeline:after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -2px;
  background-color: #6510AD;
  height: 100%;
  width: 4px;
  border-radius: 2px;
  display: block;
}

.timeline .timeline-row {
  padding-left: 50%;
  position: relative;
  z-index: 10;
}

.timeline .timeline-row .timeline-time {
  position: absolute;
  right: 50%;
  top: 49%;
  text-align: right;
  margin-right: 40px;
  font-size: 16px;
  line-height: 1.3;
  font-weight: 600;
}

.timeline .timeline-row .timeline-time small {
  display: block;
  color: white;
  text-transform: uppercase;
  opacity: 0.75;
  font-size: 11px;
  font-weight: 400;
}

.timeline .timeline-row .timeline-icon {
  position: absolute;
  top: 49%;
  left: 50%;
  margin-left: -13px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #6510AD;
  text-align: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  padding: 3px;
  color: white;
  font-size: 14px;
  z-index: 100;
}

.timeline .timeline-row .timeline-icon>div {
  border-radius: 50%;
  line-height: 34px;
  font-size: 16px;
}

.timeline .timeline-row .timeline-content {
  margin-left: 100px;
  position: relative;
  background-color: white;
  color: #333333;
}

.timeline .timeline-row .timeline-content .panel-body {
  padding: 15px 15px 2px;
  position: relative;
  z-index: 10;
  font-size: 14px;
}

.timeline .timeline-row .timeline-content h2 {
  font-size: 16px;
  margin-bottom: 12px;
  margin-top: 0;
  line-height: 1.2;
  text-align: left;
}

.timeline .timeline-row .timeline-content p {
  margin-bottom: 15px;
  font-size: 14px;
}

.timeline .timeline-row .timeline-content img {
  margin-bottom: 15px;
}

.timeline .timeline-row .timeline-content blockquote {
  border-color: #eeeeee;
}

.timeline .timeline-row .timeline-content blockquote footer,
.timeline .timeline-row .timeline-content blockquote small,
.timeline .timeline-row .timeline-content blockquote .small,
.timeline .timeline-row .timeline-content blockquote.blockquote-reverse footer,
.timeline .timeline-row .timeline-content blockquote.blockquote-reverse small,
.timeline .timeline-row .timeline-content blockquote.blockquote-reverse .small {
  color: #999999;
}

.timeline .timeline-row .timeline-content .video-container {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 30px;
  height: 0;
  margin-bottom: 15px;
  overflow: hidden;
}

.timeline .timeline-row .timeline-content .video-container iframe,
.timeline .timeline-row .timeline-content .video-container object,
.timeline .timeline-row .timeline-content .video-container embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.timeline .timeline-row:nth-child(odd) {
  padding-left: 0;
  padding-right: 50%;
}

.timeline .timeline-row:nth-child(odd) .timeline-time {
  right: auto;
  left: 50%;
  text-align: left;
  margin-right: 0;
  margin-left: 40px;
  color: #6510AD;
}

.timeline .timeline-row:nth-child(odd) .timeline-content {
  margin-right: 100px;
  margin-left: 0;
}

.timeline .timeline-row:nth-child(odd) .timeline-content:after {
  left: auto;
  right: -41px;
}

.timeline.animated .timeline-row .timeline-content {
  opacity: 0;
  left: 20px;
  -webkit-transition: all 0.8s;
  -moz-transition: all 0.8s;
  transition: all 0.8s;
}

.timeline.animated .timeline-row:nth-child(odd) .timeline-content {
  left: -20px;
}

.timeline.animated .timeline-row.active .timeline-content {
  opacity: 1;
  left: 0;
  border-right: 60px #ffebe4 solid;
  box-shadow: 0px 0px 16px 0px rgba(218, 218, 218, 0.75);
  -webkit-box-shadow: 0px 0px 16px 0px rgba(218, 218, 218, 0.75);
  -moz-box-shadow: 0px 0px 16px 0px rgba(218, 218, 218, 0.75);
}

.timeline.animated .timeline-row.active:nth-child(odd) .timeline-content {
  left: 0;
  border-right: 0;
  border-left: 60px #edeef7 solid;
  box-shadow: 0px 0px 16px 0px rgba(218, 218, 218, 0.75);
  -webkit-box-shadow: 0px 0px 16px 0px rgba(218, 218, 218, 0.75);
  -moz-box-shadow: 0px 0px 16px 0px rgba(218, 218, 218, 0.75);
}

@media (max-width: 1200px) {

  .timeline {
    padding: 15px 10px;
  }

  .timeline:after {
    left: 28px;
  }

  .timeline .timeline-row {
    padding-left: 0;
    margin-bottom: 16px;
  }

  .timeline .timeline-row .timeline-time {
    position: relative;
    right: auto;
    top: 0;
    text-align: left;
    margin: 0 0 6px 56px;
  }

  .timeline .timeline-row .timeline-time strong {
    display: inline-block;
    margin-right: 10px;
  }

  .timeline .timeline-row .timeline-icon {
    top: 0px;
    left: 8px;
    margin-left: 0;
  }

  .timeline .timeline-row .timeline-content {
    margin-left: 56px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    position: relative;
  }

  .timeline .timeline-row .timeline-content:after {
    right: auto !important;
    left: -20px !important;
    top: 32px;
  }

  .timeline .timeline-row:nth-child(odd) {
    padding-right: 0;
  }

  .timeline .timeline-row:nth-child(odd) .timeline-time {
    position: relative;
    right: auto;
    left: auto;
    top: 0;
    text-align: left;
    margin: 0 0 6px 56px;
  }

  .timeline .timeline-row:nth-child(odd) .timeline-content {
    margin-right: 0;
    margin-left: 55px;
  }

  .timeline.animated .timeline-row:nth-child(odd) .timeline-content {
    left: 20px;
  }

  .timeline.animated .timeline-row.active:nth-child(odd) .timeline-content {
    left: 0;
  }
  .timeline.animated .timeline-row.active:nth-child(odd) .timeline-content{
    border-left: 30px #edeef7 solid;
    margin-bottom: 50px;
  }
  .timeline.animated .timeline-row.active .timeline-content{
    border-left: 30px #ffebe4 solid;
    margin-bottom: 50px;
    border-right:0;
  }
}

@media (min-width: 1200px) and (max-width: 1440px){
    .timeline{max-width:900px}
    
}