.large-header {
   position: relative;
   width: 100%;
   background: #111;
   overflow: hidden;
   background-size: cover;
   background-position: center center;
   z-index: 1;
}

.demo .large-header {
   background-image: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/499416/demo-bg.jpg");
}

.main-title {
   position: absolute;
   margin: 0;
   padding: 0;
   color: #F9F1E9;
   text-align: center;
   top: 50%;
   left: 50%;
   -webkit-transform: translate3d(-50%, -50%, 0);
   transform: translate3d(-50%, -50%, 0);
}

.demo .main-title {
   text-transform: uppercase;
   font-size: 4.2em;
   letter-spacing: 0.1em;
}

.main-title .thin {
   font-weight: 200;
}

@media only screen and (max-width: 768px) {
   .demo .main-title {
      font-size: 3em;
   }
}

#caja{
    background: #ffffff6b;
    position: fixed;
    margin-top: 25%;
    width: 100%;
    z-index: 2;
}
.container{
   width: 100% !important;
   background-image: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/499416/demo-bg.jpg");
}
h1{
   color:white;
}
.form-group.label-floating label.control-label, .form-group.label-placeholder label.control-label{
       top: -18px;
    font-size: 25px;
}
.form-group .form-control{
   color: white
}

div#titulo {
    position: fixed;
    z-index: 3;
    width: 100%;
}

#cerrar_sesion{
   color: white;
   position: absolute;
   right: 0px;
   margin: 10px;
}

/*bars stilo*/
#graphBar {
  margin: 40px;
}
#graphBar .axis path, #graphBar .axis line, #graphBar path.domain {
  fill: none;
  stroke: #ababab;
  stroke-width: 1;
}
#graphBar .bottom text {
  -moz-transform: rotate(-60deg) translateY(-10px) translateX(-10px);
  -ms-transform: rotate(-60deg) translateY(-10px) translateX(-10px);
  -webkit-transform: rotate(-60deg) translateY(-10px) translateX(-10px);
  transform: rotate(-60deg) translateY(-10px) translateX(-10px);
  text-anchor: end !important;
  font-size: 12px;
}