Possible Thickness Values

• thin
• medium
• thick

Read Units of Measurement to understand the values

Possible Style Values

• none [no border]
• hidden [same as none?]
• dotted [dotted border]
• dashed [dashed border]
• solid [solid border]
• double [Two borders, width of each is same as border-width value]
• groove [3D-like effect, depends on border-color value]
• ridge [3D-like effect, depends on border-color value]
• inset [3D inset border. effect, depends on border-color value]
• outset [3D outset border. effect, depends on border-color value]

Possible Color Values

Read the Colors entry in the reference to understand its many possible values.

div {
  border-right: 1px dotted black;
}

Inherited? NO!