Properties: content (content), Padding (padding), border (border), margins (margin), CSS box model possess these attributes.
CSS box model is a kind of mental model often used in web design CSS techniques used.
Category box: box type produced by different elements may vary, one element, what kind of box generated, depending on its CSS display property
display: none: does not generate box
display: inline: Line box
display: block: block boxes
Box consists of:
Margin (margins) - clear the area outside of the frame, it is transparent from the outside.
Border (Borders) - around the inner and outer margins content border.
Padding (padding) - clear the area around the content, padding is transparent.
Content (content) - the contents of the box to display text and images.
Example:
div {
width: 300px;
border: 25px solid green;
padding: 25px;
margin: 25px;
}