* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.content h4{
  background-color: 	#C4E1FF;
  padding: 5px;
}

.wrap {

  margin-bottom: 100px;
  /* border: 1px solid red;  */
}

.page-tab{
  height: 200px;

}

.content{

  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 0;
  
}


.picture img{

  display: block;

  margin:0 auto;

  width: 80%;
  height: 600px;
  text-align: center;
  box-shadow: 2px 2px 2px 5px rgba(0, 0, 0, 0.2);
}




.timeline {
  width: 80%;
  height: auto;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline ul {
  list-style: none;
}
.timeline ul li {
  padding: 20px;
  border: 1px solid 	#0080FF;
  font-weight: bold;
  border-radius: 10px;
  margin-bottom: 20px;
  -webkit-box-shadow: 0px 10px 13px -7px #000000, 5px 5px 15px 5px rgba(0,0,0,0); 
  box-shadow: 0px 10px 13px -7px #000000, 5px 5px 15px 5px rgba(0,0,0,0);
}
.timeline ul li:last-child {
  margin-bottom: 0;
}
.timeline-content h4 {
  font-weight: 500;
  font-size: 25px;
  line-height: 20px;
  margin-bottom: 10px;
}
.timeline-content p {
  font-size: 16px;

  font-weight: 800;
}

@media only screen and (max-width: 765px) {

  .page-tab{
    writing-mode: horizontal-tb;
    height: auto;
    padding:5px;
    text-align: center;
    margin-bottom: 20px ;
  }
}

@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: 	#0066CC;
  }
  .timeline ul li {
    width: 50%;
    position: relative;
    margin-bottom: 20px;
  }
  .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 ul li:hover::before {
    background-color: aqua;
  }
}