* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html,
  body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #71b7e6, #9b59b6);
  }
  
  #app {
    width: 400px;
    height: 100vh;
    margin: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  h1,
  h3 {
    margin-bottom: 1rem;
    font-weight: bolder;
  }
  iframe {
    display:block; /* Make iframe behave as a block-level element */
    height: 150%; /* Set height to 100% of the viewport height */
    width: 100%; /* Set width to 100% of the viewport width */
    border: none; /* Remove default border */
  }
  
  body .else {
    height: 80%;
  }

  label {
    font-size: 18px;
  }
  
  img {
    border-radius: 50%;
    border: 5px #333 solid;
    margin-bottom: 1rem;
  }
  
  .male {
    border-color: steelblue;
    background-color: steelblue;
  }
  
  .female {
    border-color: pink;
    background-color: pink;
    color: #333;
  }
  
  button {
    cursor: pointer;
    display: inline-block;
    background: #333;
    color: white;
    font-size: 18px;
    border: 0;
    margin: 50px;
    padding: 1rem 1.5rem;
  }

  #form {
    margin: 15px;
  }
  
  button:focus {
    outline: none;
  }
  
  button:hover {
    transform: scale(0.98);
  }
  