Creating A Responsive Mobile-First Template with Susy

Susy version 1: ```css // http://susy.oddbird.net/tutorial/ @import "susy/sass/_susy" @include border-box-sizing $show-grid-backgrounds: true // Mobile-first grid $total-cols : 4 $col-width : 4em $gutter-width : 1em $side-gutter-width : $gutter-width $container-style : static // Tablet grid $tablet-cols : 10 // 768px $tablet-width : 48em $tablet : $tablet-width $tablet-cols $desktop-cols : 12 // 960px $desktop-width : 60em $desktop : $desktop-width $desktop-cols .container // Tell susy we have 3 different layouts @include container($total-cols, $tablet-cols, $desktop-cols) @include susy-grid-background // Mobile phones #content @include span-columns(4, 4) #sidebar @include span-columns(4, 4) // Tablets @include at-breakpoint($tablet) @include container #content @include span-columns(7, $tablet-cols) #sidebar @include span-columns(3 omega, $tablet-cols) // Desktops @include at-breakpoint($desktop) @include container #content @include span-columns(8, $desktop-cols) #sidebar @include span-columns(4 omega, $desktop-cols) ``` Susy version 2????