Fix rendered sublist spacing

Along with a recent change to how spaces are output by the
writeas/saturday library, this alters the CSS to make sublists display
correctly, and fixes #27.
1 job for master in 44 seconds (queued for 1 minute and 36 seconds)
Status Job ID Name Coverage
failed build #160


Name Stage Failure
build Build
    required by: world[make]
nodejs (missing):
required by: world[nodejs]
nodejs-npm (missing):
required by: world[nodejs-npm]
sqlite-dev (missing):
required by: world[sqlite-dev]
The command '/bin/sh -c apk add --update nodejs nodejs-npm make g++ git sqlite-dev' returned a non-zero code: 6
ERROR: Job failed: exit code 6