css image position

This article describes how to use the CSS style position: fixed for horizontal scrolling. If you need it, refer to the CSS style "position: fixed" to fix the p block in a fixed position, the position of a scroll bar is not changed

First, position positioning (a): properties of the position 1.absolute: Generates an absolutely positioned element that is positioned relative to the nearest position of a static parent element; 2.relative: Generates relatively positioned elements, positioned relative to their normal document flow position; 3.static:

value. No positioning, element appears in normal stream (ignore top, bottom, left, right or ZIndex Declaration). Inherit specifies that the value of the position property should be inherited from the parent element. Reference: http://www.w3cschool.cn/pr_pos_bottom.htmlThe bottom property specifies the bottom edge of the element. This property defines the offset between the margin boundary beneath the anchor element and the lower boundary of its conta

;position:relative;top:50px;left:20px;background:red;Z-index:1;}#two {width:100px;height:100px;Position:absolute;top:190px;Background:yellow;Z-index:2;}#tree {width:100px;height:100px;position:fixed;top:250px;left:600px;Background:deepskyblue;Z-index:3;}Result diagram: Here you can see that the div with ID one is the relative layout of the parent control.Situation 2:Css:#first {width:200px;height:200px;Background:black;margin-top:100px;Z-index:1;}#sec

First, position grammar and structureposition Syntax:Position:static Absolute RelativePosition parameters:static : No special positioning, object follows HTML positioning rulesAbsolute : Drag objects out of the document stream and use attributes such as left,right,top,bottom for absolute positioning. And its cascade is defined by the CSS Z-index property. Objects do not have margins at this point, but they

In CSS3, the position attribute values are: Inherit, static, relative, absolute, fixed.Inherit is the position property value that inherits the parent element, IE is not supported.The static default value, the element appears in the normal stream, ignoring (TRBL) and Z-index values. Please refer to the example below, div1 because the value of position is static,

is to remember the significance of each positioning. Relative positioning is "relative to" the initial position of the element in the document stream, and absolute positioning is "relative to" the most recently located ancestor element. The following is a supplement:Although I know the absolute position (absolute) and relative positioning (relative) of CSS, I

Css position, cssposition I don't have much gossip to say, so I can write it directly! Positioning We can use the position attribute of css to set the element positioning type. The position settings are as follows: A. relative generates relative positioning elements. The

margin found in BrotherDiv1.We use JS to get a two margin:window.onload = function(){ var div = document.querySelector(‘.brotherDiv‘); var div1 = document.querySelector(‘.brotherDiv1‘); console.log(div.offsetTop); //40 console.log(div1.offsetTop); //40}With JS, you can get the offset of the two, which means that the brotherDiv1 is actually offset.The use of padding is more common. Two elements are aligned by default at the bottom. And the low-altitude elements get offsets

1. Static2.relative3.fixedA fixed position (the value of the Position property is fixed) element is positioned relative to the window, which means that even if the page scrolls, it will remain in the same position. and relative the same,,,, top right bottom and left properties are available.I believe you have noticed the fixed positioning element in the lower rig

First, let's look at the box model in CSS, such: We can think of it as a box opened above the reality, and then look down from the top down, the border is equivalent to the thickness of the box, the content is relative to the space of the objects in the box, and fill it, it is equivalent to a bubble filled in the box for shockproof purposes. The boundary is equivalent to setting aside some space for other items around the box. This makes it easy to u