The border-bottom property is a shorthand property for (in the following order) border-bottom-width. If border-bottom-color is omitted, the color applied will be the color of the text. The values are inserted in the order top, right, bottom, left and the shorthand version is topbottom and rightleft which is what ive used. For example, you can set a div with a 4px top border, a 3px right border, a 2px bottom border and a 1px left border with the following. For a given div i would like to only display a border on the left, right, top, or bottom side. The border-bottom-left-radius property defines the radius of the bottom-left corner. Tip this property allows you to add rounded borders to elements! Yes. The numbers in the table specify the first browser version that fully. Candidate recommendation no direct changes, though the modification of values for the border-bottom-color do apply to it. Css level 2 (revision 1) the definition of border-bottom in that specification. if you are like me you have ran into this issue many times. You want to add a border to the bottom of an element but you dont want it to be under 100 of the element. My first thought was maybe css would let you establish a width for border-bottom you can go in to the html and add another element. The css border-bottom property defines the width, line style, and color of the bottom border of a box. It is a shorthand property for setting the border-bottom-width, border-bottom-style, and border-bottom-color css properties. The border-bottom-color css property sets the color of an elements bottom border. It can also be set with the shorthand css properties border-color or border-bottom. The source for this interactive example is stored in a github repository. Safari 4) incorrectly treat 40px 10px as the same as 40px10px. This is particularly useful when wanting to create a circle or elipse shape, but can be used any time you want the border radius to be directly correlated with the elements. To control the border width of an element at a specific breakpoint, add a screen prefix to any existing border width utility.