Border Color

The border-color property sets the color of an element's four borders. This property can have from one to four values.

Class	Properties
`border-grey`	`border-color: color.$grey`
`border-white`	`border-color: white`
`border-black`	`border-color: black`
`border-color`	`border-color: theme('border', 'color')`
`border-text`	`border-color: theme('color', 'text')`
`border-primary`	`border-color: theme('color', 'primary')`
`border-success`	`border-color: theme('color', 'success')`
`border-warning`	`border-color: theme('color', 'warning')`
`border-error`	`border-color: theme('color', 'error')`
`border-dark`	`border-color: theme('color', 'dark')`