/*!
 * Bootstrap v3.3.7 (http://getbootstrap.com)
 * Copyright 2011-2016 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */
.bckimg {
  background-image: url("nantes.jpg");
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center;      
  background-size: cover;
  background-color: #000;
}

/*.cover {*/
/*  position: absolute;*/
/*  height: 100%;*/
/*  margin: 0;*/
/*}*/

.jumbotron h1 {
  font-size: 35px;
  margin-top: 0;
}

.jumbotron {
  background-color: #ecf0f1
}

.mb50 {
margin-bottom: 50px;
}

p {
  letter-spacing: 1px;
}
strong {
  font-weight: inherit;
}

input.btn, a.btn {
  font-size: 21px;
}
.vcenter {
  margin-top: 50vh; /* poussé de la moitié de hauteur de viewport */
  transform: translateY(-50%); /* tiré de la moitié de sa propre hauteur */
}
.form-control {
    height: 46px;
    width :100%;
}