It is a very common layout to have a layer horizontal vertically centered, but it is possible to use margin:0px auto horizontally in the HTML, but the vertical center using the margin is not effective. (Page setup height:100%; is not valid), the use of absolute positioning + negative margin of the way to achieve vertical centering, but also to consider the size of the page reset, you need to use JS to correct.Let a
-block; width:80px; height:35px; font:16px/22px Arial; margin:0px 0px 0px-6px; padding:5px 0px 5px 0px; Background-color:blue; BORDER:1PX blue Solid;}Summarize:1, the horizontal center can use width:100% and text-align:center;2. Vertical centering and dynamic change you can use the OnResize event +js to dynamically set the layout (Position:absolute; and Top/bottom) to achieve;3, the picture in the
Sometimes you need to useCSSSetDivText in vertical and horizontal directionsCenterI checked some materials today and found that the implementation method is also difficult from time to time.
In CSS, div text is centered in either of the following conditions:Horizontal center of Div textAnd the other isVertical center
Line-Height: if it is a single line of text, you can use "line-Height: 30px" to set the center alignment. Only this label can be used, but cannot dynamically change with the height;
Vertical-align: many people may misunderstand this label. It actually means that for different DOM elements, the "top, middle, super, sub, baseline... different attributes:
For example, when a line of text and an image are p
In the development process, many requirements need us to center a Div, such as the HTML document flow of a div, such as the pop-up layer content part of this out of the flow of documents. Different situations have different centering methods, then share the next several common centers.1.text-align:center.Code:. Center
We know that the position attribute of the DIV supports the percentage value for positioning. With this positioning capability, we can locate the display coordinate of the DIV in the absolute center of the webpage, set the DIV to the width and height required by us through the margin attribute. Of course, we need to us
In general, we say that there are two kinds of center, the center of the layer and the center of the layer, the center of the layer I generally use: margin:0 auto; (or Margin-left:auto;margin-right:auto;) This type of writing, in the middle of the layer (I am generally used in layers of text): Text-align:center;
This
axis starting point, side axis end point: The configuration of the telescopic line filling the project starts at the side of the container and ends at the end of the side axis.Side axis length, side axis length properties: The width or height of the telescopic project in the direction of the side axis is the side axis length of the project, and the side axis length property of the telescopic project is the "width" or "height" attribute, which is determined by the direction of the lateral axis.
When we write CSS style, we often encounter a problem that is a wide and high unknown element to let him vertically center how to achieve this? Here are two ways I used to do this.On the CodeThe following is the structure code Here is the style code. wrap{set a centered framewidth:500px;height:400px;BORDER:1PX solid black;margin:0 Auto;text-align:center;//Horizontal Center}. wrap:before{//set a pseu
Resizing a window also enables you to implement a div horizontal vertical center Code instance:A div in the window to achieve the center effect, basically no difficulty, specifically, you can see the CSS implementation of the DIV Screen
The first CSS knowledge I learned was how to center a fixed width and height element horizontally or vertically. The centered content may be a picture in the inbound Welcome page (Splash page http://searchsoa.techtarget.com/sDefinition/0,,sid26_gci213036,00.html), Or some design like the center of the design of the site. The most original solution is to position the element in the window from the left and t
When we write CSS style, we often encounter a problem that is a wide and high unknown element to let him vertically center how to achieve this? Here are two ways I used to do this.
On the Code
The following is the structure code
Here is the style code
. wrap{set a centered outer frame width:500px;height:400px;border:1px solid black;margin:0 auto;text-align:center;//Horizontal Center}.wrap:b efore{//set a
The content in the Div is absolutely centered (not for IE6 Oh, IE6 I don't think about it), just look at the code. DOCTYPE HTML>HTML> Head> title>Absolute centeringtitle> styletype= "Text/css">H1, H2, H3, H4, H5{margin:0px;padding:0px;}. Panel{width:300px;Height:150px;background:#000;Color:Green;Display:Table;float: Left;Margin-right:30px;}. Absolute-center{vertical-align:Middle;Display:Table-cell;text-a
In fact, the idea of the solution is this: the first need position:absolute; absolute positioning. Instead of the layer's anchor point, use the external patch margin negative method. The negative size is the height of the layer itself divided by two.Such as: A layer width is 400, the height is 300. Use absolute positioning distance between upper and left is set to 50%. And the value of Margin-top is-150. The value of Margin-left is-200. This allows us to write a style that is vertically centered
div row-level element centered
The code is as follows:
Requirements: Center and
Solution: DIV for block-level elements, IMG and span are inline elements. So this problem comes down to the center of the inline element in the block-level element.
The code is as follows:
#treeTitle {
Background:url (.. /i
In the use of Java to do backstage, will do to login the page, but their own page is too ugly, to center is not centered, to color no color, but regardless of how all have to make the login box centered! The idea was to center the Div by Css+div, but now the idea has changed, and JavaScript makes it easy to
Horizontal vertical has always been a classic problem, recently wrote a page style encountered this problem, this time need to horizontal vertical center is more than multiple lines of P block, the code is as follows:
This time using the flex layout, because the browser will help us calculate the flex layout, where the parent element needs to be flex layout, there will be a main axis and a vertical intersection in the flex layout, the spindle is hor
Floating div adaptive center display js Code
This article mainly introduces the floating div adaptive center display js Code. If you need it, please refer to it.
When the div is floating, it cannot be centered when the browser window changes (because left or right values
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