V5 Reboot : Add background-color variable to hr element
Created by: devhoussam
// Variables
$hr-margin-y: $spacer !default;
$hr-color: inherit !default;
$hr-background-color: currentColor !default;
$hr-height: $border-width !default;
$hr-opacity: .25 !default;
// Content grouping
hr {
margin: $hr-margin-y 0;
color: $hr-color;
background-color: $hr-background-color;
border: 0;
opacity: $hr-opacity;
}
hr:not([size]) {
height: $hr-height;
}