classes.yaml

layout-small: 'Small layout, active until 559px'
  l-s-1-4: 'Span one of four columns'
  l-s-2-4: 'Span two of four columns'
  l-s-3-4: 'Span three of four columns'

layout-medium: 'Medium Layout, active at 600px'
  l-m-1-6: 'Span one of six columns'
  l-m-2-6: 'Span two of six columns'
  l-m-3-6: 'Span three of six columns'
  l-m-4-6: 'Span four of six columns'
  l-m-5-6: 'Span five of six columns'

grouping:
  group-name: 'Small layout'
  group-description: 'Active until 599px'
  classes:
    l-s-1-4: 'Span one of four columns'
    l-s-2-4: 'Span two of four columns'
    l-s-3-4: 'Span three of four columns'

grouping:
  group-name: 'Medium layout'
  group-description: 'Active at 600px until 799px'
  classes:
    l-m-1-6: 'Span one of six columns'
    l-m-2-6: 'Span two of six columns'
    l-m-3-6: 'Span three of six columns'
    l-m-4-6: 'Span four of six columns'
    l-m-5-6: 'Span five of six columns'