Gaps
Gaps can be enabled by setting"gaps_enabled" to "y", only then will the options below take effect.
outer_gaps_vertical
"outer_gaps_vertical" describes the the pixel size of the vertical outer gap.
By default, this value is 0
outer_gaps_horizontal
"outer_gaps_horizontal" describes the pixel size of the horizontal outer gaps.
By default, this value is 0
inner_gaps_horizontal
"inner_gaps_horziontal" describes the pixel size of the inner horizontal gaps between the windows
By default, this value is 0
inner_gaps_vertical
"inner_gaps_vertical" describes the pixel size of the inner vertical gaps between the windows.
By default, this value is 0