.container {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    text-align: center;
    margin-bottom: 20px;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="password"] {
    width: 90%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 3px;
  }
  
  input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #4c7daf;
    border: none;
    color: #fff;
    border-radius: 3px;
    cursor: pointer;
    text-align: center;
  }
  
  input[type="submit"]:hover {
    background-color: #4553a0;
    border-radius: 20px;
  }
  
  .gender-label {
    margin-right: 10px;
    float: left;
  }