#caja1{
  background-color: coral;
  /* border-width: 3px;
  border-style: solid;
  border-color: blueviolet; */
  border: 3px solid rgb(43, 8, 8);
  /* Redondear border */
  /* Todas las esquinas redondeadas con un radio de 10 píxeles */
  border-radius: 10px;
}

#caja2{
  background: #333;
  color: #fff;
  border-top: blue solid 4px;
  border-left: rgb(218, 134, 16) dotted 3px;
  border-right: rgb(218, 134, 16) dotted 5px;
  border-bottom: chartreuse solid 8px;
  border-radius: 10px 20px 10px 0px;
}

#caja3{
  background-image: url('../imagenes/ciudad.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  color: #fff;
  width: 800px;
  height: 650px;
  border-radius: 10px 40px;
}

#caja4{
  border: 2px solid black;
  background: url('../imagenes/mariposa240.png') no-repeat center;
}

/* table{
  border-collapse: collapse;
} */