1. css property: break-after: supported in multi-column layout

  2. css property: break-after: supported in multi-column layout: `always`

  3. css property: break-after: supported in multi-column layout: `avoid-column`

  4. css property: break-after: supported in multi-column layout: `column`

  5. css property: break-before: supported in multi-column layout

  6. css property: break-before: supported in multi-column layout: `always`

  7. css property: break-before: supported in multi-column layout: `avoid-column`

  8. css property: break-before: supported in multi-column layout: `column`

  9. css property: break-inside: supported in multi-column layout

  10. css property: break-inside: supported in multi-column layout: `avoid-column`