[front end] blurb style

[stevieflow]

Via IATI/validator-web#968

The blurb on the BDS page needs attention

[simon-20]

@stevieflow, can you be more specific about how you want this text or the layout to change?

[stevieflow]

@simon-20 thanks - this is something @codemacabre is looking at via IATI/validator-web#968, in terms of the blurb / block having either a box or a title