Bump graph linelabel down by 30px
Bump graph linelabel down by 30px

Adding margin-top to the linelabel moves it down the page, which
means it is included in the rectangle that screenshot-as-a-service
uses and so the image will no longer be clipped.

keithiopia/spotlight,tijmenb/spotlight,alphagov/spotlight,alphagov/spotlight,tijmenb/spotlight,keithiopia/spotlight,tijmenb/spotlight,keithiopia/spotlight,alphagov/spotlight