body{
  font-family:sans-serif;
  font-size:14px;
}
input{
  border-radius:5px;
}
#saisie_mdp{
  width: 500px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 10px;
  text-align: center;
  
}
#sub_index{
  width: 150px;
  border-radius:5px;
background-color: #DCDCDC;
  color:blue;
  
}
#sub_index:hover{
  background-color: #00008B;
  color:white;
}