centering ruler

VolumeDisadvantages:1. IE8 does not support2. Attribute requires writing browser vendor prefix3. May interfere with other transform effects4. There are situations where text or element boundaries render blurryIv. table Cells{display:table;} {display:table-cell; vertical-align:Middle;}Advantages:1. Highly variable2. Content overflow will open the parent element.3. Cross-browser compatibility is good.Disadvantages:Additional HTML markup requiredFive, inline block elements. Center-container.is-in

For an absolutely positioned element, his horizontal center alignment sets left and right to 0,margin set to autoFor an absolutely positioned element, his vertical center alignment sets the top and bottom to 0,margin set to autoIf you want to position the external alignment, set the corresponding position to 0, then the corresponding margin is set to the negative widthThe center alignment of the text is related to:For word wrapping, set Word-wrap to Break-word and then word-break set to truncate

Share today a method for vertical horizontal centering using the new CSS3 feature.By the absolute positioning of the elements and the translate implementation in the transform.The code is as follows:Htmlid= "Content"> class= "a" > src= "... jpg"/> Div > Div >Css#content {position:relative; height:300px; width:300px;} . A {position: absolute; Left: 50%; top: 50%; -webkit-transform: translate ( -50%,-50%);}The principle is to set the To

We all know that in iOS, every uiimageview has his frame size, but what happens if the size of the picture doesn't match the size of the frame? By default, the picture is compressed or stretched to fill the entire area.By looking at the properties of the UIView, you can see that the Contentmode property of the view can be used to control how the picture is displayed. The following settings allow the picture to be centered. 1 imageView.contentMode = UIViewContentModeCenter;

Today, I encountered the problem of vertical centering of multiline text while writing Web pages.Try a variety of methods, the most useful of course is the table, but I wrote this piece with table is not very good, I use the upper level block elements on the display:table;The inline elements of the text pack use Display:table-cell; Vertical-align:middle;such as: . div{display:table;}. Span1{display:table-cell; vertical-align:middle;}It's pretty good.V

Center mainly can be divided into text center and picture Center:1 ways you can use text and pictures:Text Use this method is best to first convert the row class block element(1) Relative positioning: First output text and pictures in the page and then see where you want to move it{position:relative;Top:? ; Botton:? ; Left:? ; Right:? ；}(2) Absolute positioning: Set the relative positioning position:relative for the parent, the child set Position:absolute;The child moves relative to its own pare

The first two days in the left-hand picture, the right word, the left word, encountered a vertical center problem. Just feel the vertical center is not as easy as imagined . let me explain the following:Method OneYou can set the parent display as a table (display:table;), and descendants can use the table properties (Vertical-align:middle;).Pros: Content can dynamically change height, does not require CSS to define height, and when wrapper does not have enough height, content is not truncated.Co

1. Single-line textVertical centering with high row height and parent element height equality2. Multiple lines of textMode 1:Set the parent element display:table, set the element display:table-cell;vertical-align:middle inside, and the element can be centered vertically, but this way compatibility is not very good the version of the browser is incompatible.Mode 2:Sets the parent element position:relative Absolute positioning, sets its child elements p

Vertical centering: Inline element solution for single lineCentered element: A single line of inline elements, i.e. inline or inline-* type elements such as text, links, etc.Solution: Set the height and inline-height of the elements in the row to the heights of their parent elementsHtmlDivID= "Container">ahref="#">Hello,gbtags.comhello,gbtags.comhello,gbtags.coma>Div>Css#container{Background:#222;Height:200px;}A{/*height:200px;*/Line-height:200px;Colo

Centering is often the case when we use CSS to lay out the layout. When using CSS to center, sometimes a property can be done, and sometimes require a certain skill to be compatible with all browsers, this article on the center of some common methods to do a simple introduction.Note: The method described in this article, in addition to special instructions, are compatible with ie6+, Google, Firefox and other mainstream browsers.First, a few simple, an

Centering is often the case when we use CSS to lay out the layout. When using CSS to center, sometimes a property can be done, and sometimes require a certain skill to be compatible with all browsers, this article on the center of some common methods to do a simple introduction.Note: The method described in this article, in addition to special instructions, are compatible with ie6+, Google, Firefox and other mainstream browsers.First, a few simple, an

1. Inline element Horizontal Centering method: If the element is set as text, picture, and other inline elements, the horizontal center is implemented by setting Text-align:center to the parent element.2. Block element--Fixed block element horizontal centering method:(1) fixed-width block element: The width of the block element is a constant value.(2) When width is set to a fixed value, Text-align:center do

The company's project, has been in the red Rice 1S interface, one day in order to see the resolution of adaptation, in a ZTE U819 debugging the next program, the results found that the original center-aligned bottom bar button, now all right offset. Probably as follows:The layout is written like this:In the red meter 1S has been the center display, and in RadioButton also used the android:gravity= "center" to make its picture text center, but the ZTE phone is offset, very strange, is it resoluti

水平居中有text-align:center 和 margin:0 auto，The former is set on the parent element and the latter is a child element. margin:0 Auto; The premise here is that the child element does not float up without float, otherwise it has no effect.Center Line-height vertically, set its value equal to the height value of the parent element, and the inner text automatically centers vertically, only text.This problem is often encountered in the practice of summing up the experience, is basically seen from others i

The fourth method:This method sets the display of some div as a table, so we can use the Vartial-align property of the table.The code is as follows:DOCTYPE HTML>HTMLLang= "en">Head> MetaCharSet= "UTF-8"> title>Documenttitle> styletype= "Text/css"> #wrapper { display: table; }#cell{Height:300px;//If the height is not set, the effect is not obvious and appears to be not centered, but is actually centered in the wrapper.Background-color:Yellow;Display:Table-cell;vertical-align:Middle;}. Conte

The Center-loader is a jquery plug-in that can absolutely center the loading indicator relative to the container. The plug-in can use a picture or Font-awesome font icon as a loading indicator, and the indicator can be absolutely centered relative to a container or entire page.Online preview Source DownloadHow to useUsing this plugin requires the introduction of jquery and Center-loader.js files. 12 scriptsrc="dist/jquery.min.js">script>scriptsrc="dist/center-loader.js">scri

This time to introduce a horizontal vertical center of the CSS method, this method can be said to be hundred test lark, nonsense said, directly attached to the code:html,body{width:100%;height:100%;}You need to center the element {position:fixed; (absolute)left:50%;top:50%;-webkit-transform:translate ( -50%,-50%);}His parent element {position:relative;width:100%;height:100%;}Of course, your parent element needs a height, whether it is based on the height:100% of the HTML and body, or the exact h

The following small series for everyone to bring an analysis of the CSS to achieve horizontal vertical and center 5 kinds of ideas. Small series feel very good, now share to everyone, also give us a reference, follow the small series come and see it Horizontal center and vertical centering have been introduced separately, this article will introduce 5 kinds of ideas of horizontal vertical center simultaneously idea One: text-align + line-height to ac

Now when we do web refactoring, we usually do div centering: Copy the Code code as follows: body{ margin:0px Auto; Text-align:center; } However, when you do not declare the following parsing method, the page will be wrong. Cannot Center alignment! Copy the Code code as follows: It bothered me for a few days. Then some friends will say: You add this sentence is OK? However, sometimes the page can not be all in accordance with the above-mentio

This article mainly introduces about how CSS to achieve vertical horizontal center, has a certain reference value, now share to everyone, the need for friends can refer to Objective Often asked in the interview, how to use CSS to achieve a vertical horizontal orientation of the element, especially when the pen test, the frequency of the problem is relatively high, of course, in our lives, there will often be vertical level of the demand for the center. Three options for vertical horizontal