body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 200vh; /* Para poder hacer scroll y ver el efecto del fixed */
  }
  
  .contenedor-relativo {
    position: relative;
    background-color: #e0f7fa;
    height: 300px;
    padding: 20px;
    border: 2px solid #0288d1;
    margin: 50px;
  }
  
  .elemento-absoluto {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: #81d4fa;
    padding: 10px;
    border: 1px solid #0277bd;
    border-radius: 4px;
  }
  
  .elemento-fijo {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #ff8a65;
    color: white;
    padding: 15px;
    border-radius: 5px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  }