style.css

body {
  position: absolute;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

body .viewport {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
}

body .viewport .frame {
  position: absolute;
  width: 200%;
  height: 100%;
  top: 0;
  bottom: 0;
  left: 0; 
}

body .viewport .frame .navbar .navbar-inner {
  border-radius: 0;
  padding-left: 5px; 
}

body .viewport .frame .menu {
  height: 100%;
  /* background-color: #3D6AA2; */ 
}

body .viewport .frame .menu.collapse {
  float: left;
  height: 100% !important;
  width: auto; 
}

body .viewport .frame .menu.collapse.height {
  position: relative;
  height: 0;
  overflow: hidden;
  -webkit-transition: height 0.35s ease;
  -moz-transition: height 0.35s ease;
  -o-transition: height 0.35s ease;
  transition: height 0.35s ease; 
}

body .viewport .frame .menu.collapse.width {
  position: relative;
  width: 0;
  overflow: hidden;
  -webkit-transition: width 0.35s ease;
  -moz-transition: width 0.35s ease;
  -o-transition: width 0.35s ease;
  transition: width 0.35s ease; 
}

body .viewport .frame .menu.collapse.in.width {
  width: auto; 
}

body .viewport .frame .menu.collapse.in.height {
  height: auto; 
}

body .viewport .frame .menu .collapse-inner {
  position: relative;
  width: 250px;
  height: 100%; 
}

body .viewport .frame .menu .navbar .navbar-inner {
  text-align: center;
  color: grey;
  font-size: 1.2em;
  line-height: 38px; 
}

body .viewport .frame .menu .nav-stacked {
  padding: 0 10px; 
}

body .viewport .frame .view {
  width: 50%;
  height: 100%;
  overflow: hidden; 
}

body .viewport .frame .view .navbar .navbar-inner .btn-navbar {
  display: block;
  float: left; 
}

body .viewport .frame .view #content {
  margin: auto 15px;
  text-align: justify; 
}