Div + css knowledge accumulation

#: There are two types of browsers: ie (which does not comply with w3c standards) and non-ie (which complies with w3c standards). However, the ie series is approaching w3c standards.

1. body margin: 0px can make the surrounding seamless;

2. Define the background image:

{

Background-image: url('bgimage.gif ');

Background-repeat: no-repeat;

Background-attachment: fixed; // you can specify whether the background image is fixed or scrolling along with the rest of the page.

Background-position: center;

}

The background-position attribute sets the starting position of the background image.Tip:You must set the background-attachment attribute to "fixed" to ensure that this attribute works normally in Firefox and Opera. The default value is 0%.

· Top left · Top center · Top right · Center left · Center · Center right · Bottom left · Bottom center · Bottom right	If you specify only one keyword, the second value is "center ". Default Value: 0% 0%.
X % y %	The first value is the horizontal position, and the second value is the vertical position. The top left corner is 0% 0%. The bottom right corner is 100% 100%. If you specify only one value, the other value is 50%.

3. Set a div with a fixed length and width. If the background image is not long enough or the width is repeated, it cannot be completely displayed if it is too long or too wide.

4. position: attribute specifies the positioning type of the element.

Value	Description
Absolute	Generates absolute positioning elements, which are located relative to the first parent element other than static positioning. The positions of elements are specified by the "left", "top", "right", and "bottom" attributes.
Fixed	Generates absolute positioning elements, which are located relative to the browser window. The positions of elements are specified by the "left", "top", "right", and "bottom" attributes.
Relative	Generates relative positioning elements and locates them relative to their normal locations. Therefore, "left: 20" adds 20 pixels to the LEFT position of the element.
Static	Default value. The element is not located and appears in the normal stream (ignore the top, bottom, left, right, or z-index declarations ).
Inherit	Specifies that the value of the position attribute should be inherited from the parent element.

Style = "position: relative;
Top: 318px;
Left:-10px;
Height: 18px;
Width: 180px;
Text-align: left ;"

#: <A href = "#" title = "hello..."> test </a> the property of the title in the link.

5 .......~ \ (Too many rows )/~ ......