Call to action

blocks:
  - type: cta
    heading: {} # (optional)
      surtitle: '' # string (optional)
      title: '' # string (optional)
      text: '' # markdown (optional)
    ctas: []
      text: '' # string
      url: '' # url
      blank: false # boolean (optional)
      link: false # boolean, render as a plain link instead of a button (optional)
      lang: '' # code lang, sets the hreflang attribute (optional)
    ui: {} # (optional)
      theme: '' # [accent, black, dark, highlight, light, neutral, white] (optional)
      grid: '' # [xsmall, small, medium, large, container, full] (optional)
      offset: '' # [start, center, end] (optional)
      align: '' # [start, center, end] (optional)