These four CSS property styles are used to locate the object box, and you must define the Position property value to absolute or relative this value to take effect.
First, the grammatical structure
Left, right, top, bottom followed by the number
1: Top Offset property
Used to define the size of the top offset position of the element. Top:auto | Length | Percent
CSS attribute instances This is an instance of using edge offset properties
2: Right Offset property
Used
This article mainly introduces the pure CSS implementation of the Bubble dialog box cusp processing implementation code, very good, with reference value, need to refer to the friend
Let's take a look:
Simple rough on the code:Html:
I learn other people's writing, directly in the front of the CSS, can not work under Firefox. IE does not have to and will not appear dot ~
Home Introduction
CssStyle One
Ul{list-style-type:none;} #navlist li{float:left;padding:55px 13px 0 0
If you usePosition
to layout the page, the position property of the parent element must be relative, and the element that is positioned somewhere inside the parent is best used with absolute because it is not affected by the parent
CSS positioning parameters: position, left, right, top, bottom
Parameter description:The absolute parameter is used to specify the location of the block, top, bottom, left, and right respectively specify the upper and lower coordinates of the
This list-style-image location problem is also often asked, the solution is generally used with Li background simulation, the use of relative positioning method can also be solved.
blueidea web Standard FAQs web Standard FAQs web
We know
CSSOf
positionIn the positioning attribute, there are two values that represent absolute positioning, and the value
AbsoluteWith the value
fixed。
Are absolute positioning, both have consistency, there are different points. So what is the
If you set a small icon in front of a list item using List-style-image, it is displayed normally under FF, and the List-style-image picture is centered vertically
If you use List-style-image to set a small icon in front of a list item, it is
The List_style property is used to modify the properties of the list, List-style-type is used to set the list item type, list-style-position is used to set the list item location, List-style-image is used for setting the use of the image
Li's List-style dot and text have no center alignment?
We start .UL li{ list-style:disc inside;}
Feel the dots and the text is not centered (small dots in the lower point), what methods to make them center alignment?
demo
currently almost all major browsers support the position attribute (except "Inherit", "Inherit" does not support all including IE8 and previous versions of IE, IE9, IE10 has not been tested), the following is the explanation of the position five
Border-bottom (refers to the style, width, and color of the set edge)
Border-bottom: value;
Border-bottom-style: value;
Border-bottom-color: value;
Border-bottom-width: value;
Such as:
Border-bottom:solid 1px
When looking at CSS3 related articles, see a CSS style to achieve a "+" plus effect
This inside touches a new CSS3 attribute, outline, translates into Chinese is--"contour";
Syntax: Outline:outlinewidth outlinestyle outlineColor;
For
A
Recently in doing another site, and encountered this problem, decided to study a good solution.
The code is as follows:
Upper Layer
Sub-layer
The ideal effect is the parent layer and the upper layer of the welt display, the child layer is 200
Original: Http://www.planabc.net/2008/04/14/background-clip_background-origin/background-clip and Background-origin are CSS3 The background module attribute in the new, used to determine the positioning of the background. Background-clip is used to
There are three common ways to clear floats:
This is not clear floating source code, run code can not see the parent element light yellow background.
leftright
Three ways to clear the float are as follows:
1. Use an empty label to clear the float.
Fixed at the bottom, automatic height, scroll with the scroll bar, follow the scroll bar
The current style looks simple, but there are too many profound things and too many routines in it. I am still not smart enough !!!
test
The difference between height: 100% and height: auto, heightauto
I have never understood the difference between height: 100% and height: auto. Recently, height: 100%; overflow: hidden; has been used in front-end pages. However, some browsers have
Position in css and position in cssI. position syntax and StructurePosition Syntax:Position: static absolute relative
Position parameter:Static: No special positioning. Objects follow HTML positioning rules.Absolute: Drag an object out of the
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