Detailed introduction to CSS style background and text

1. Background

1. Use the background-color attribute for the background color, for example: body{background-color:red}

2. Use the background-image attribute to use an image as the background, such as body{background-image:ul1(23.jpg)

3. Use the background-repeat attribute to repeatedly tile the background from the image, repeat- x or repeat-y means horizontal or vertical tiling respectively,

no-repeat means allowing tiling from any direction

For example: body
{background-image:url(23 .jpg)
background-repeat:repeat-x:) }

4. Use the background-position attribute to position the background, [position: top, bottom, left, right, center, you can also use

Percent (50% 50%), length value (50px 50px)]

For example: body
{background-image:url (23.jpg)
background-position:center}

5. Use background-attachment to set the image association attributes. For example, the background of the picture below will not scroll with the scrolling of the text

body{background-image:url(23.jpg);
background-repeat:no-repeat;
background-attachment:fixed;}

##2. Text

1. Use the text-indent attribute to indent text. The most common one is the indentation of the first line of a paragraph. The indent value can be a negative number.

For example: p{text- indent:-5em}, but setting a negative number can easily exceed the left boundary of the browser window, so special attention should be paid;

The indent value unit can be percentage %, the length unit px, and the measurement unit em;

The text-indent attribute can be inherited, for example:

p#outer {width:500px;}
p#inter {text-indent:10%}
p{width:200px;}

some text.some text.some text.

this is a pragramph

2. Use text-align attributes (left, right, center, justice) for horizontal alignment

3. Word-spacing can change the word ( The standard spacing between words), the default value normal is the same as the setting value 0,

word-spacing accepts positive length values ​​and negative length values

4, letter-spacing Change the spacing between characters and letters. Others are the same as word-spacing. The default value normal is the same as setting the value to 0. It accepts positive and negative length values.

5, text -transform handles the case of text (none, uppercase, lowercase, capitalize with the first letter in uppercase

6, text-decoration handles text decoration (none, underline, overline, line-through) , blink flashing

7, processing white-space white-space

value pre-line, white space character: merge, newline character: reserved, automatic line wrapping: allowed;

value normal, blank Character: merge, newline character: ignore, automatic line wrapping: allowed;

value nowrap, whitespace character: merge, newline character: reserved, automatic newline character: not allowed

value pre-wrap, whitespace character: reserved, newline character : Reserved, automatic line wrapping: allow

8. The direction attribute affects the writing direction of text in block-level elements, the direction of layout in lists, the direction of content horizontally filling its text box, and the direction of the last line in justified elements. Position (there are two values, ltr and rtk, where ltr is the default value and is the direction from left to right)

9. Line-height sets the line height

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