This is going to make @matthewmascioni cry.

main.rb

Teacup::Stylesheet.new :main do

  style :fill,
    constraints: [
      :full_width,
      :full_height
    ]

  style :entry,
    constraints: [
      constrain(:left).equals(:superview, :left).plus(50),
      constrain(:right).equals(:superview, :right).minus(50),
      constrain(:center_y).equals(:superview, :center_y),
      constrain(:height).gte(448)
    ]

  style :avatar,
    layer: {
      cornerRadius: 30,
      masksToBounds: true
    },
    constraints: [
      constrain_left(20),
      constrain_top(20),
      constrain_width(60),
      constrain_height(60)
    ]

  style :name,
    constraints: [
      constrain(:left).equals(:avatar, :right).plus(20),
      constrain(:right).equals(:superview, :right),
      constrain(:center_y).equals(:avatar, :center_y)
    ]

end