body {
  /*background: #444;*/
  margin: 0;


}

h1 {
  color: #fff;
  text-align: center;
}

/*Estilos de la galeria*/

.galeria {
  width: 90%;
  margin: auto;
  list-style: none;
  padding: 20px;
  box-sizing: border-box;
  
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.galeria li {
  margin: 5px;
}

.galeria img {
  width: 300px;
  height: 200px;
}

/*Estilos del modal*/

.modal {
  display: none;
}

.modal:target {
  
  display: block;
  position: fixed;
  background: rgba(0,0,0,0.8);
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.modal h3 {
  color: #fff;
  font-size: 30px;
  text-align: center;
  margin: 15px 0;
}

.imagen {
  /*width: 100%;;
  height: 100%;
  max-height: 800px;
  max-width: 800px;*/
  
  display: flex;
  justify-content: center;
  align-items: center;
}

.imagen a {
  color: #fff;
  font-size: 40px;
  text-decoration: none;
  margin: 0 10px;
}

.imagen a:nth-child(2) {
  margin: 0;
  height: 100%;
  flex-shrink: 2;
}

.imagen img {
  
  max-width: 100%;
  border: 7px solid #fff;
  box-sizing: border-box;
}

.cerrar {
  display: block;
  background: #fff;
  width: 32px;
  height: 32px;
  margin: 15px auto;
  text-align: center;
  text-decoration: none;
  font-size: 22px;
  color: #000;
  padding: 5px 6px 5px 8px;
  border-radius: 50%;
  line-height: 25px;
}