Merge pull request #80 from haikyuu/patch-1

Fix Code tour block

Merge pull request #73 from githubnext/aw/image-paste

Add ability to paste image to Markdown block

markdown - fix hr after metadata

markdown block - fix instruction styles

Merge pull request #70 from githubnext/aw/cleanup

Clean up block config

markdown block - fix padding

update markdown padding

markdown block - fix padding

markdown block - fix scrolling issue

css block - work on smaller sizes