.formulaire_connexion {
background-color: rgb(166, 198, 230);
width: 480px;
height: 280px;
margin-top:20%;
margin-left:35%;
border-radius:5%;
border: 3px solid black;
}

body {

    background: linear-gradient(to right, #dae0dd, #23297a);
}

h2 {

    margin-left: 36%;

}
p {

    margin-left:25%;
}
.btn-register{
    padding: 0.6rem 1.2rem;
    background: #34d078;
    border: 2px solid #000000;
    margin-left: 35%;
    margin-top: 5%;
  }

  .form-control{
    padding: 5px;
    width: 60%;
    height: 20px;
  }
  .form-control:focus {
    border-color: #1f3649;
    outline: none;
    box-shadow: 0 0 8px rgba(102, 175, 233, 0.6);
           }