La idea es simple, poner un puntero distinto en las imágenes con esa característica, usando algún tipo de icono alusivo a su posibilidad de ser ampliadas.
La forma genérica si todas las imágenes de tus posts son ampliables, como ocurre en el caso dellightbox de serie de Blogger, es incluir una propiedadcursor a la clase correspondiente a las entradas. En la mayoría de plantillas esta clase es denominadapost y en ella es dónde tendremos que incluir la nueva propiedad:
cursor: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAlhjhTAaMDcbJ0c6JLjos3fw7oXtIJznEZ10R0Cv6kQmaFQIb3k44uUN3DCpXtE_vaGfTs-ffPy4pUOwmmra3eLIrHBZX2Za2JsIhmkxcXdQJKGmZruKY5di-5WWYQChTlDLbdyI3LsZM/), auto !important;
}
El!important es posible que no sea necesario según que casos, pero ante la duda lo pondremos para dar prioridad a estecursor sobre otros que pudiera haber en la plantilla.
El resultado es que en lugar de salir una mano en las imágenes indicando que hay un enlace (o una flecha cuando no lo hay), tras esa modificación saldrá un dibujito distinto, que en el caso del ejemplo ha sido una especie de lupa:
![]() |
La extinción de los dinosaurios |
Para lasutilidades externas ya tenemos que echar mano de losselectores CSS, que nos permitirán filtrar entre todas las imágenes del blog, aquellas a la que se les aplique algún tipo de ventana modal.
Lo normal en estos casos es que haya que añadir algo al enlace de una imagen, para que se active la ventana modal. Por ejemplo, conlytebox es necesario agregar la etiquetarel="lytebox" para que el programa identifique que una determinada imagen será ampliada al hacer click en ella.
Sabiendo esto podemos crear una regla, que diga que todos los enlaces que incluyan esa etiqueta (rel) y que contengan también un valor igual alytebox, sean cambiados en cuanto a aspecto del puntero. Usamos el* para incluir todos los casos posibles que se pueden dar conlytebox, ya que la etiqueta puede tener otros formatos. Por ejemplo, las galerías llevarían la expresiónrel="lytebox[galeria]".
cursor: url(URL_IMAGEN), auto !important;
}
De la misma manera, los que usanlightwindow necesitan añadir a las imágenes ampliables unclass="lightwindow", por lo que en este caso el código sería así:
cursor: url(URL_IMAGEN), auto !important;
}
Ejemplo con Lightwindow:
Si usáis otro tipo de ventanas modales distintas de las anteriores, sólo tendréis que saber la etiqueta que utiliza esa aplicación para distinguir las imágenes ampliables de las otras y ajustar el código del ejemplo para que filtre adecuadamente.
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