body{
  height: 100vh;
  margin: 0;
  padding: 0;
  font-family: 'trebuchet MS','Helvetica Neue',Arial,Helvetica,sans-serif !important;
  font-size: 14px;
  line-height: 1.4285em;
  color: rgba(0,0,0,.87);
/* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#ffffff+0,e2e2e2+100 */
background: #ffffff; /* Old browsers */
background: -moz-linear-gradient(top, #ffffff 0%, #e2e2e2 100%); /* FF3.6-15 */
background: -webkit-linear-gradient(top, #ffffff 0%,#e2e2e2 100%); /* Chrome10-25,Safari5.1-6 */
background: linear-gradient(to bottom, #ffffff 0%,#e2e2e2 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#e2e2e2',GradientType=0 ); /* IE6-9 */

}
.container.encuesta{
  margin-top: 50px;
}
.navbar-custom{
  background: linear-gradient(to bottom, #CE131C 1%,#9A131A 100%);
}
.panel-heading{
    background: linear-gradient(to bottom, #ffffff 1%,#e4e4e4 100%);
  
}
.logo_df{
    width: 208px;
    height: 52px;
    position: relative;
    margin: 0 auto;
}
.logo_df img{
  width: 95%;
  margin: 0 auto;
}
.btn-primary {
  border: 0px;
  border-radius: 5px;
  color: #fff;
  text-transform: uppercase;
  padding: 0.8em 1.5em;
  font-family: 'trebuchet MS','Helvetica Neue',Arial,Helvetica,sans-serif;
  font-size: 14px;
  background-image:-webkit-linear-gradient(#c00 0%, #900 50%, #600 51%, #900 100%);
  background-image:-o-linear-gradient(#c00 0%, #900 50%, #600 51%, #900 100%);
  background-image:linear-gradient(#c00 0%, #900 50%, #600 51%, #900 100%);
  margin: 0 auto;
}

.btn-primary:hover, .navbar-custom .navbar-nav > li > a:hover, .navbar-custom .navbar-nav > li > a:focus, .navbar-custom .navbar-nav > .active > a:hover, .navbar-custom .navbar-nav > .active > a:focus, .navbar-custom .navbar-nav > .open >a {
  border: 0px;
  text-shadow: 0 1px rgba(0,0,0,0.3);background-image:-webkit-linear-gradient(#e50000 0%, #b30000 50%, #7f0000 51%, #b30000 100%);
  background-image:-o-linear-gradient(#e50000 0%, #b30000 50%, #7f0000 51%, #b30000 100%);
  background-image:linear-gradient(#e50000 0%, #b30000 50%, #7f0000 51%, #b30000 100%);
}

/*Style form message error - success*/
.field-msg{
      display:none;
      font-size:10px;
      text-transform:uppercase;
      font-weight:600;
      letter-spacing:0.05em
}
.field-msg.show{display:block}
.error{color:#901313}
.success{color:#2f812f}