Added some spacing between examples in demo.
Added some spacing between examples in demo.

asetiyadi/ui-slider,douglasduteil/ui-slider,pallayr/ui-slider,anoopelias/ui-slider,kongx73/ui-slider,ym/ui-slider,anoopelias/ui-slider,kongx73/ui-slider,ym/ui-slider,angular-ui/ui-slider,brydar/ui-slider,pallayr/ui-slider,angular-ui/ui-slider,asetiyadi/ui-slider,brydar/ui-slider