.marco{
  padding: 10px;
  background-color: blueviolet;
}

#div1 {
    float: left;
    text-align: center;
    width: 70px;
    height: 55px;
    margin: 10px;
    padding: 10px;
    border: 1px solid black;
  }
  
  #div2 {
    float: left;
    text-align: center;
    width: 120px;
    height: 55px;
    margin: 10px;
    padding: 10px;
    border: 1px solid black;
  }
  
  .fondo {
    background-position: center;
    background-image: url("../img/examen/codigo.png");
    background-repeat: no-repeat;
    background-size: contain;
    height: 400px;
  }
  
  #posicion {
    text-align: left;
    position:absolute;
    top:69.7%;
    left:31.9%;
    padding: 50px 200px;
    border: 0px solid black;
  }