Merge branch 'style-polishing' into 'master'

Style polishing

Closes #56, #48, and #24

See merge request grp-bio-it/image-analysis-training-resources!44
2 jobs for master in 1 minute and 17 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Deploy
passed #27598
pages

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passed pages:deploy

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