css setting properties

CSS (Cascading Style Sheets) is a language used to control the style and layout of web pages. CSS can be used to control various style attributes such as fonts, colors, layouts, and borders in web pages, thereby making web pages more beautiful and easier to read. .

The following will introduce some common CSS style attributes and their setting methods:

1. Text attributes

CSS can control the text style in web pages, including Font, color, size and alignment etc. The following are some commonly used text style attributes:

(1) font-family: Set the font. For example: font-family: Arial, Helvetica, sans-serif; means using the Arial font. If the font cannot be loaded, the Helvetica font will be used. If it cannot be loaded, the system default sans-serif font will be used.

(2)font-size: Set the font size. For example: font-size: 16px; means the font size is 16 pixels.

(3) color: Set the font color. For example: color: #333; means the font color is dark gray.

(4) text-align: Set the alignment. For example: text-align: center; means the text is centered.

2. Border attribute

CSS can add border styles, which can be used to beautify web page elements, such as pictures, titles, etc. The following are some commonly used border style attributes:

(1) border: Set the border. For example: border: 1px solid #ccc; means the border is 1 pixel wide and the color is light gray.

(2) border-radius: Set the rounded border. For example: border-radius: 5px; means the corner radius is 5 pixels.

(3) border-top, border-right, border-bottom, border-left: Set the border styles of the top, right, bottom, and left respectively.

3. Background attribute

CSS can set the background style of web page elements, including background color, picture, repetition method, etc. The following are some commonly used background style attributes:

(1) background-color: Set the background color. For example: background-color: #f5f5f5; means the background color is light gray.

(2) background-image: Set the background image. For example: background-image: url("image.jpg"); means the background image is image.jpg.

(3) background-repeat: Set the repetition method of the background image. For example: background-repeat: repeat-x; means repeating the image horizontally.

(4) background-size: Set the size of the background image. For example: background-size: cover; means that the background image completely covers the container and maintains the proportion.

4. Box model properties

The box model in CSS refers to the size and position of an element, including its content area, padding, borders, and margins. The following are some commonly used box model attributes:

(1) width: Set the width of the element. For example: width: 200px; means the width is 200 pixels.

(2)height: Set the height of the element. For example: height: 100px; means the height is 100 pixels.

(3) padding: Set the inner margin of the element. For example: padding: 10px; means the padding is 10 pixels.

(4)margin: Set the margin of the element. For example: margin: 20px; means the margin is 20 pixels.

5. Floating property

The floating property in CSS can make elements break away from the ordinary document flow, and can achieve multi-column layout and other effects. The following are some commonly used floating attributes:

(1) float: Set the floating method of the element. For example: float: left; means the element floats to the left.

(2) clear: clear floating mode. For example: clear: both; means that the content below the element is not allowed to float.

The above are some commonly used CSS style properties and their setting methods. They can be used to control the styles of various elements such as text, borders, backgrounds, box models, and floats. In actual development, mastering these style attributes and using them flexibly can make web pages more beautiful and professional.

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