CSS Border Sides
CSS Border - Individual Sides
From the examples on the previous pages, you have seen that it is possible to specify a
different border for each side.
In CSS, there are also properties for specifying each of the borders (top,
right, bottom, and left):
Example
p
{
border-top-style: dotted;
border-right-style: solid;
border-bottom-style: dotted;
border-left-style: solid;
}
Result:
Different Border Styles
Try it Yourself »
The example above gives the same result as this:
Example
p {
border-style: dotted solid;}
Try it Yourself »
So, here is how it works:
If the border-style property has four values:
border-style: dotted solid double dashed;
top border is dotted
right border is solid
bottom border is double
left border is dashed
If the border-style property has three values:
border-style: dotted solid double;
top border is dotted
right and left borders are solid
bottom border is double
If the border-style property has two values:
border-style: dotted solid;
top and bottom borders are dotted
right and left borders are solid
If the border-style property has one value:
border-style: dotted;all four borders are dotted
Example
/* Four values */p { border-style: dotted solid double dashed; }/* Three
values */p { border-style: dotted solid double; }
/* Two values */p { border-style: dotted solid; }/* One value */p { border-style: dotted; }
Try it Yourself »
The border-style property is used in the example above. However, it also works with
border-width
and border-color.
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Reference: https://www.w3schools.com/css/css_border_sides.asp