v1.5.3

Fixes

• Fix a bug in the cards (<article>) sections introduced in 1.5.0 by removing overflow: hidden;, spotted by @GerdonAbbink
  #210 #199
• Fix Github discussion links on contributing guidelines page, by @atoaugustyn
  #206
• Clean unnecessary vertical-align, by @DavidSouther
  #204

Styles

• Layered cards box-shadows
  #207

Full changelog

A huge thank you to all the contributors ❤️