First column
          Second column
          Third column
          Fourth column
          Full column
          Half column
          Half column
          1 Third column
          2 Thirds column
          1 quarter column
          3 quarters column
          1 fifth column
          4 fifth column
          12
          11
          1
          10
          2
          9
          3
          8
          4
          7
          5
          6
          6
          1 Third column
          3 quarters offset
          First row
          Second row
          Half
          Half
              Half
              First column
          Second column
          Third column
          Fourth column
          
              is-three-quarters-mobile
is-two-thirds-tablet
is-half-desktop
is-one-third-widescreen
is-one-quarter-fullhd
          is-two-thirds-tablet
is-half-desktop
is-one-third-widescreen
is-one-quarter-fullhd
auto
          auto
auto
First column
          
              Second column with some random large text to make a good case here. Unfortunately, we need more content to
              make it visible that the first column is now vertically centered.
            
          My centered column
          Stretches to the full height of the row
          
              Second column with some random large text to make a good case here. Unfortunately, we need more content to
              make it visible that the first column is now vertically centered.
            
          
              Second column with some random large text to make a good case here. Unfortunately, we need more content to
              make it visible that the first column is now vertically centered.
            
          Stretches to the full height of the row