Adds $rangeslider vars for selectors
Removes unnecessary border definition
Improves border-radius definition
$rangeslider__handle box-shadow improvement
Adds a `:active` state for $rangeslider__handle
Defines a `:focus` state for $rangeslider__handle
Don't visually hide the input range element

To make it accessible via tab and give it a focus state
Insert generated DOM after the input range element

To be able to select it in CSS e.g.
input[type="range"]:focus + generated DOM selector
Build dist files
Merge pull request #48 from andreruffert/focus-state

Adds a `:focus` state