@media (max-width: 1500px) {
  .milestone {
    width: 90%;
    margin: 0 auto;
  }
}

.milestone .dropdown .btn {
  display: block;
  border: 1px solid #ccc;
  border-radius: 50em;
}

.dropdown-toggle::after {
  position: absolute;
  content: "";
  width: 18px;
  height: 18px;
  background: url(https://www.artiluxtech.com/images/arrow.svg) no-repeat;
  background-size: contain;
  border: 0;
  margin: 0;
  transform: rotate(90deg);
  right: 20px;
  top: 10px;
}

.embed {
  position: relative;
  margin: 0;
  width: 100%;
  overflow: hidden;
  padding-top: 56.25%;
  /* 16:9 Aspect Ratio */
}

.responsive-iframe {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  border: none;
}

ul.history {
  position: relative;
  margin-top: 200px;
}

ul.history::after {
  position: absolute;
  content: "";
  width: 130px;
  height: 130px;
  background: url(/images/ball.jpg) center no-repeat;
  background-size: contain;
  left: calc(50% - 65px);
  top: -140px;
}

ul.history li {
  width: 50%;
}

ul.history li:nth-child(odd) {
  margin-left: 50%;
}

ul.history li:last-child .yy {
  margin-bottom: 0
}

ul.history li:last-child .yy::after {
  display: none;
}

.milestone .yy {
  position: relative;
  color: white;
  font-size: 2.2em;
  line-height: 3.8em;
  text-align: center;
  width: 130px;
  height: 130px;
  border-radius: 50em;
  margin-bottom: 110px;
  margin-top: 3px;
  left: -65px;
}

.milestone .yy,
.milestone .circle {
  background: #aaede6;
  background: -moz-linear-gradient(top, #aaede6 0%, #00768a 50%, #473f7b 100%);
  background: -webkit-linear-gradient(top, #aaede6 0%, #00768a 50%, #473f7b 100%);
  background: linear-gradient(to bottom, #aaede6 0%, #00768a 50%, #473f7b 100%);
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#aaede6', endColorstr='#473f7b', GradientType=0);
}

.milestone .yy::after {
  position: absolute;
  content: "";
  height: 110px;
  top: 133px;
  left: calc(50% - 2px);
}

.milestone .yy::after,
.milestone article::after {
  width: 4px;
  background: #473f7b;
  background: -moz-linear-gradient(top, #473f7b 0%, #00768a 50%, #aaede6 100%);
  background: -webkit-linear-gradient(top, #473f7b 0%, #00768a 50%, #aaede6 100%);
  background: linear-gradient(to bottom, #473f7b 0%, #00768a 50%, #aaede6 100%);
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#473f7b', endColorstr='#aaede6', GradientType=0);
}

.milestone article {
  position: relative;
  padding-left: 30px;
  display: flex;
  line-height: 1.5em;
}

.milestone article::before {
  display: none;
  position: absolute;
  content: "";
  width: 12%;
  height: 4px;
  background: #007788;
  top: 12px;
  left: 0;
}

.milestone article::after {
  position: absolute;
  content: "";
  width: 4px;
  height: 100%;
  left: -2px;
  top: 0;
}

.milestone .circle {
  width: 26px;
  height: 26px;
  border-radius: 50em;
  display: block;
  position: absolute;
  left: -13px;
  z-index: 1;
}

.milestone .circle::before {
  position: absolute;
  content: "";
  background: white;
  width: 22px;
  height: 22px;
  border-radius: 50em;
  right: 2px;
  top: 2px;
}

.milestone h3 {
  font-size: 1.3em;
  font-family: "Avenir Next LT W01 Light";
  font-weight: 300 !important;
  position: relative;
}

.milestone h3 span {
  font-size: 11px;
  line-height: 1.2em;
  color: gray;
  padding: 5px 13px;
  border: 1px solid gray;
  border-radius: 20px;
  position: absolute;
  height: 26px;
  top: 2px;
  margin: 0 10px;
  text-transform: none;
}

.milestone .text,
.milestone .pic {
  flex: 1;
}

.milestone .text {
  padding-right: 15px;
  min-height: 138px;
}

ul.history li:nth-child(even) {
  text-align: right;
}

ul.history li:nth-child(even) .yy {
  left: calc(100% - 65px);
}

ul.history li:nth-child(even) h3 {
  display: inline-block;
}

ul.history li:nth-child(even) h3 span {
  position: relative;
  float: left;
}

ul.history li:nth-child(even) .circle {
  left: auto;
  right: -13px;
}

ul.history li:nth-child(even) article {
  padding-left: 0;
  padding-right: 30px;
  flex-direction: row-reverse;
}

ul.history li:nth-child(even) article::before {
  left: auto;
  right: 0;
}

ul.history li:nth-child(even) article::after {
  left: auto;
  right: -2px;
}

ul.history li:nth-child(even) .text {
  padding-right: 0;
  padding-left: 0;
}

@media (max-width: 991px) {
  .milestone h3 {
    font-size: 1.3em;
  }

  .milestone {
    width: 100%;
  }

  ul.history {
    margin-top: 100px;
  }

  ul.history::after {
    width: 60px;
    height: 60px;
    left: -10px;
    top: -70px;
  }

  ul.history li,
  ul.history li:nth-child(odd) {
    width: 94%;
    margin-left: 6%;
  }

  ul.history li:nth-child(even) {
    text-align: left;
  }

  .milestone .yy,
  ul.history li:nth-child(even) .yy {
    font-size: 1.4em;
    line-height: 3.6em;
    width: 80px;
    height: 80px;
    margin-bottom: 60px;
    left: -40px;
  }

  .milestone .yy::after {
    position: absolute;
    content: "";
    height: 60px;
    top: 83px;
  }

  ul.history li:nth-child(even) .circle {
    left: -13px;
    right: auto;
  }

  .milestone article::before {
    display: none;
  }

  .milestone article,
  ul.history li:nth-child(even) article {
    display: block;
    padding-right: 0;
    padding-left: 20px;
    padding-bottom: 55px;
  }

  ul.history li:nth-child(even) article::after {
    left: -2px;
    right: auto;
  }

  .milestone .text {
    padding-right: 0;
    padding-bottom: 15px;
    min-height: auto;
  }

  ul.history li:nth-child(even) .text {
    padding-left: 0;
  }

  ul.history li:nth-child(even) h3 {
    display: block;
  }

  ul.history li:nth-child(even) h3 span {
    right: auto;
    position: absolute;
    float: none;
  }

  .milestone h3 span {
    top: 0;
  }
}

/* cj */
@media (max-width: 1500px) {
  .fixWidth{
    max-width:100%;
  }
}
.milestone .yy.noline::after{
  background: none;
}
@media (min-width: 991px) {
  .milestone a{
    color: #000;
  }
  .milestone a:hover{
    color: var(--green);
  }
}