Background of CSS | padding | Background image | Position

1. Boundary spacing: The distance between two elements of a border

You can specify top right and bottom left, if you write margin: A value that is the upper right bottom left margin is a value.

Example:

Tip: If you do not write margin, the default will be 0px, that is, no border spacing, is the original picture position

2. Fill attribute: The size of the space inside the border

Example:

3. Specify a background picture for any element

TIPS1: Find the URL of the image, right-click Property---address

4. Set the repeating mode of the background image:

The default is duplicate

Example:

5. Background attachment:

Example:

6. Background positioning (for background images):

Example:

100px from the top, 100px from the left:

Background of CSS | padding | Background image | Position