Day 1: http://obnoxious-partner.surge.sh - "Drummer". Press keys or click buttons to make your own terrible drum rendition.
Day 2: http://garrulous-train.surge.sh - "Clock". Playing with timing functions and transitions.
Day 3: http://grubby-steel.surge.sh - "Playing With CSS Variables". Does what it says on the tin :)
Day 4: http://habitual-farm.surge.sh - "Array cardio". Map,filter,reduce,sort fun.
Day 5: http://secretive-girls.surge.sh "Flex panels image gallery". Beautiful image gallery using flexbox and transitions.