div.message_retour_defaut, .erreur_message{
background-color: #ea0000 !important;
padding:20px!important;    
}
div.message_retour_defaut, .erreur_message{
font-family: 'Ubuntu', sans-serif;
line-height: 1;  
font-size:1.5em;
color:#FFFFFF!important;  
}

p.boutons > button, .btn .submit {
  background-color: #b70000 !important;
  border-color: none!important;
  box-shadow: none;
  padding:20px;
font-family: 'Ubuntu', sans-serif;
line-height: 1;  
font-size:1.5em;
color:#FFFFFF!important;
  border: none !important;
  transition: all 0.5s ease-in-out;
  border-radius: 0 !important;
  max-width: 300px !important;  
}

p.boutons > button:hover {
  background-color: #FFFFFF !important;
  border: 1px solid #b70000 !important;    
  box-shadow: none;
  padding:20px;
font-family: 'Ubuntu', sans-serif;
line-height: 1;  
font-size:1.5em;
color: #b70000 !important;
}