CSS border-top-style property

Property values

noneDefault

There is no style. In this case, the color and width of top border are also ignored i.e. 0px border.

border-top-style: none;

hidden

It is same as 'none' but resolve to different results for the border-collapse property in tables.

border-top-style: hidden;

dashed

The top border consists of a series of square shaped dashes.

border-top-style: dashed;

dotted

The top border consists of a series of round dots.

border-top-style: dotted;

solid

The top border consists of a solid line.

border-top-style: solid;

double

The top border consists of two lines. The total border-width equals to the two lines and space between them.

border-top-style: double;

ridge

The content seems to be coming out of the canvas. It is obtained by producing the box-shadow from the two colors that are lighter and darker than the border-color.

The outer side of the top border is darker than the inner side of the top border.

border-top-style: ridge;

groove

The content seems to be going into the canvas. It is obtained by producing the box-shadow from the two colors that are lighter and darker than the border-color.

The inner side of the top border is darker than the outer side of the top border.

border-top-style: groove;

inset

The color of top, left borders is darker than border-color but the color of right, bottom borders is the same as border.

The effect of inset value can be observed in border.

border-top-style: inset;

outset

The color of top, left sides is the same as border-left but the color of right, bottom sides is darker than border-color.

The effect of outset value can be observed in border.

border-top-style: outset;