.container{
  width: 2000px;
  margin: 50px auto;
}
.container p{
  display: flex;
  font-size: 20px;
  font-family:Microsoft JhengHei;
}
.pic1{
    background:url(p5-1_3.png) no-repeat;
    width: 1200px;
    height: 600px;
    margin: 0 auto;
}
.pic2{
    background:url(p5-1_4.png) no-repeat;
    width: 1200px;
    height: 600px;
    margin: 0 auto;
}