.nav > li:nth-of-type(2) a {
  color: #2a4f82;
  text-decoration: underline;
}
.img{
  width:100%;
  position: relative;
  overflow: hidden;
}
.img > img{
  display: block;
}
#content{
  width: 100%;
  height: 2500px;
  background: #fff;
  /*overflow:hidden;*/
}
#content > img{
  margin-top: 50px;
}


/*section{
  width: 100%;
  height: 2200px;
}

section img{
  margin-top: 50px;
*/