html { height: 100%; }
  body {
    height: 100%;
    background: #F5EDCC;
    background: -moz-linear-gradient(left, #00253E 0%, #F5EDCC 100%);
    background: -webkit-linear-gradient(left, #00253E 0%,#F5EDCC 100%);
    background: linear-gradient(to right, #00253E 0%,#F5EDCC 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00253E', endColorstr='#F5EDCC',GradientType=1 );
  }
#wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  flex-flow: column;
  align-items: stretch;
}
  #header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    padding: 0 3%;
  }
    .logo {
      display: block;
      height: 70px;
      width: auto;
    }
  #main { flex: 1 1 auto; }
    #main iframe {
      display: block;
      width: 100%;
      height: 100%;
      border: none;
    }