dy {
      font-family: Arial, sans-serif;
          margin: 0;
              padding: 0;
                  background-color: #f4f4f4;
                      color: #333;
                      }
                      
                      header {
                            background: #005f73;
                                color: #fff;
                                    padding: 10px 0;
                                        text-align: center;
                                        }
                                        
                                        nav {
                                              display: flex;
                                                  justify-content: center;
                                                      background: #0a9396;
                                                          padding: 10px 0;
                                                          }
                                                          
                                                          nav a {
                                                                color: white;
                                                                    text-decoration: none;
                                                                        padding: 10px;
                                                                        }
                                                                        
                                                                        section {
                                                                              padding: 20px;
                                                                                  margin: 20px;
                                                                                      background-color: #e9d8a6;
                                                                                          border-radius: 8px;
                                                                                          }
                                                                                          
                                                                                          footer {
                                                                                                text-align: center;
                                                                                                    padding: 20px 0;
                                                                                                        background-color: #94d2bd;
                                                                                                        }
                                                                                                        
                                                                                          }
                                                                        }
                                                          }
                                        }
                      }
}