fix home page, now the order of the categories is not shuffled, masonry is used to properly display the tiles (which are vertical now) and the css is simplified
cambiar un poco el estilo
añadir más reglas de estilo
remove navbar from tiles
change tile display from inline-block to block
add a little margin and revert back to inline-block
remove margin
load smaller images in the homepage
change margins a little bit so that the navbar is separated from the start of the articles
two column layout for article list in category pages