Div+css how to set the border of a Web page layout

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CSS Borders Border

A border can be applied to most HTML elements in the body.

To make a border of an element, you need to border-style the border style. Values can be: solid, dotted, dashed, double, groove, Ridge, inset and outset, concrete style you can actually.

Border-width set width, usually using pixels is px, the same four-quad attributes: Border-top-width, Border-right-width, Border-bottom-width and Border-left-width.

Border-color sets the border color.

Example

H2 {
border-style:dashed;
border-width:3px;
border-left-width:10px;
border-right-width:10px;
border-color:red;
}

Set the border with a red style of dashed, the top and bottom border width is 3px, and the left and right are 10px (the following attributes cover the front).