Do not print right margin

[AydinHassan]

@Lynesth

[codecov-io]

Codecov Report

Merging #116 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #116      +/-   ##
============================================
- Coverage     96.87%   96.87%   -0.01%     
  Complexity      341      341              
============================================
  Files            23       23              
  Lines          1057     1055       -2     
============================================
- Hits           1024     1022       -2     
  Misses           33       33

Impacted Files	Coverage Δ	Complexity Δ
src/CliMenu.php	92.27% <100%> (-0.04%)	77 <0> (ø)
src/MenuStyle.php	96% <100%> (-0.02%)	61 <0> (ø)

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[Lynesth]

Looks good.