@media only screen and (max-width: 640px) {

  header {
    height:138px;
    max-height:138px;
    min-height:138px;
    position:fixed;
    width:100%;
    z-index:50;
    top:0px; left:0px; right:0px;
    overflow:hidden;
  }

  header nav h1 {
    padding:0; margin:0;
    text-align:center;
    height:50px; max-height:50px; min-height:50px;
    font-size:25px;
    line-height:50px;;
    padding-left:5px;
    color:white
  }

  header nav {
    background-color:#1F6865;
    height:100px;
    max-height:100px;
    min-height:100px;
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    align-items: center;
  }

  header nav ul,header nav li {
    height:50px;
    list-style-type:none;
    padding:0; margin:0;
  }


  header nav ul {
    width:320px;
    max-width:320px;
    min-width:320px;
    display:flex;
    justify-content:space-between
  }

  header nav li {
    display:block;
    width:20%;
    height:100%;
    cursor:pointer;
    transition:all .5s
  }



  header nav li:hover span {
    opacity:.8;
    background-color:#1F6865;
    border:8px solid white
  }




  header nav li:last-child {
    width:25px;
    height:100%;
    display:flex;
    flex-wrap:wrap;
    line-height:100%;
    justify-content:center;
    align-items: center;
    padding:8px
  }

  header nav li:last-child i {
    display:block;
    width:8px;
    height:8px;
    background-color:white;
    border-radius:50%;
    margin:.5px;
    opacity:.2
  }


  header nav li span{
    background-color:white;
    border:8px solid white;
    opacity:.2;
    width:40px;
    height:40px;
    display:block;
    position:absolute;
    margin-top:-20px; top:50%;
    margin-left:-20px; left:50%;
    border-radius:50%;
    z-index:1
  }

  header nav li b{
    z-index:2;
    font-size:90%;
    height:18px;
    line-height:18px;
    text-align:center;
    margin-top:-9px; top:50%;
    position:absolute;
    display:block;
    width:100%;
    color:white;
    background-color:#1F6865;
  }

  header .myLogin {
    font-size:13px;
    height:18px;
    text-align:center;
    padding:0; margin:0;
    padding-bottom:4px;
    margin:0px auto;
  }

  header .myLogin span {
    display:inline-block;
    height:20px;
    padding:0; margin:0;
    cursor:pointer;
    color:#1F6865;
    padding-bottom:4px
  }

  header .myLogin span:hover {
    text-decoration:underline
  }


  header .myLogin span:first-child {
    border-right:1px solid #1F6865;
    padding-right:6px;
  }


  section {
    position:fixed;
    top:120px;
    bottom:0%; left:0%; right:0%;
    background:#f0f0f0;
    overflow:hidden;
    overflow-Y:auto;
    padding:0px
  }

  div,p {
    display:block;
    min-width:320px;
    width:320px;
    max-width:320px;
    padding:3px
  }


}