body {
    background-image: url('http://image.noelshack.com/fichiers/2023/08/1/1676900114-abstrait-flou-centre-commercial-defocused-1.jpg');
    }
    
    .f1 {
    margin: 50px auto;
    padding: 20px;
    width: 400px;
    background-color: #f2f2f2;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    text-align: center;
    }
    
    .f1 h1 {
    font-size: 30px;
    margin-bottom: 30px;
    color: #333;
    }
    
    .f1 input[type="text"],
    .f1 input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: none;
    border-radius: 5px;
    background-color: #e8e8e8;
    color: #333;
    font-size: 16px;
    }
    .f1 input[type="date"] {
      width: 100%;
      padding: 10px;
      margin-bottom: 15px;
      border: none;
      border-radius: 5px;
      background-color: #e8e8e8;
      color: #333;
      font-size: 16px;
      }
    
    button[type="submit"] {
        background-color: #4CAF50; /* couleur verte */
        border: none;
        color: white;
        padding: 15px 32px;
        text-align: center;
        text-decoration: none;
        display: inline-block;
        font-size: 16px;
        margin: 4px 2px;
        cursor: pointer;
        border-radius: 10px; /* coins arrondis */
      }
      
      button[type="submit"]:hover {
        background-color: #3e8e41; /* couleur verte plus foncée au survol */
      }
      
    
    .f1 p {
    font-size: 14px;
    margin-top: 20px;
    color: #333;
    }
    
    .f1 a {
    color: #4CAF50;
    text-decoration: none;
    transition: color 0.3s ease;
    }
    
    .f1 a:hover {
        text-decoration: underline;

        }