Unfortunately you can't see the effect very well on this photograph... I have put a close up of one corner in the picture below.
The subtle splatter of light blue dots on the card was made by flicking a wet paintbrush off the end of a light blue aqua pencil directly onto the card.
I used an oval ring to mask off a shape in the middle of the card.
The edged were not inked here, instead I dragged the same blue aqua pencil down the edges of the card and then dragged a wet paintbrush over the edged to blend the colour out onto the card a little.
Of course then there is a stamped sentiment in the middle and some ribbons, a flower and a brad to finish off.