Border #div { border-width: 5px; (thin, thick, medium or set value) (default = medium) border-style: dotted; (solid, dashed, dotted, double, etc) (default = none) border-color: blue; (named, hex, rgb or 0-255) (default = value of elements/elements parent color property) } #div { border:5px dotted blue; } and #div { border-right-width: 2px; border-right-style: solid; border-right-color: #666666; [...]