body{
  background-color: #eee
}

#contenu_auth{
  max-width:380px;
  margin:auto;
}

#contenu_auth #envoyer{
  width:100%;
}

#logo-accueil{
  text-align:center;
  margin:50px;
}

#logo-accueil img{
  width: 200px;
}

#logo-accueil h1{
  color:#FFF;
  font-size: 40pt;
}

.alert img{
  height: 1.5em;
  margin-right: 0.3em;
}

.alert {
  padding: 10px;
}

.bouton-flotant {
  position: fixed;
  bottom: 40px;
  right: 40px;
  background-color: #0d6efd;
  color: white;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  border: 2px solid #0d6efd;
}