CODE EXAMPLE FOR CSS

border css

.your-class-name{
	border: 1px solid red;
} 
// border: 'width', 'style', 'color'

width:
size: px, pt, cm, em, etc.

style:
dotted, dashed, solid, double, groove, ridge, inset, outset, none, hidden

color:
red, #000, rgb(255,0,255), etc.