CSS

CSS3: overview CSS (Cascading Style Sheet) is a standard for specifying the visual performance of HTML documents, it allows designers to precisely specify the font, color, margin, indent, border, and positioning of document elements.Each rule of CSS

CSS3 selector (full)CSS selector Review General selector: * select all elementsSelect child element:> select the direct descendant of the element (level 1 child element)Adjacent sibling selector: + selects the first element next to the target

Detailed description of new text attributes in CSS3CSS text attribute review 1. white-space: Processing Method of space in the object 2. ction: direction of the Text Stream 3. unicode-bidi: displays the text that is read from different directions on

Add color attribute in CSS3CSS color attribute Review Color name: English names of colors (such as red, blue, pink, and white)HEX hexadecimal mode (# FF0000, # B9B9B9, etc)Rgb color scheme (rgb (, 0, 00 )) These methods are commonly used color

Adaptive Layout of the width and widthWidth Adaptive Layout What is adaptive width layout? That is, when the browser window size changes, the width of the elements in the browser also changes, so as to achieve adaptive layout. Common adaptive width

CSS attribute selector and css Selector   P [name] {background: red;} only use the attribute nameP [name = ghr] {background: red;} specifies the attribute name and the attribute value.P [name ~ = Old] {background: red;} This attribute value is a

Img images cannot be displayed. The onerror event is used to display the replacement image, imgonerror Definition and usage of URL attributes:This attribute returns the URL of the current document.Description: The value of this attribute

Influence of absolute positioning on the margin of margin, and effect of positioning on margin Influence of absolute positioning on the margin of margin:We will not discuss about absolute positioning and margin. For details, refer to the following

Background-position can also be used like this, backgroundposition Article sync to public account: http://mp.weixin.qq.com/s? _ Biz = MzAxMzgwNDU3Mg ==& mid = 401626453 & idx = 1 & sn = 6af07474df847d251358c4b424eaddfd # wechat_redirect If you are

CSS3 sets the first letter of an English word to uppercase, and css3 In CSS3, set the first letter of an English word to uppercase:This section provides an example of code that enables you to set the first letter of an English word to uppercase.To

CSS3 responsive tables and responsive Images Recently I followed a Daniel to learn CSS3. Below are two instance projects with Daniel. I have to say that CSS3 is really powerful. in addition, I recently set up a website with SAE, and put all the

The checkbox check box implemented by css3 and the radio single-node beautifying effect, css3checkbox The checkbox check box implemented by css3 and the radio single-stick beautifying effect are as follows:Before css3, you must beautify the single

Css implements code for the vertical and horizontal center effect of the browser, and css Center Code for implementing the vertical and horizontal center effect of the browser using css:It may be because the center is relatively more beautiful, so

Box Model, Box ModelBox Model Overview The box model is one of the cornerstones of CSS. It specifies how elements are displayed and (to some extent) how they interact. Each element on the page is regarded as a rectangle frame, which consists of the

CSS3 basic knowledge of grid layout-definition unit of elastic size: fr introduction and example The grid layout supports the flexible size (flex-size), which is a good adaptive layout technology. Elastic dimensionFrThe size unit, which comes from

CSS code reconstruction and optimization, and css Reconstruction Author: @ langlang's blue fat man Web: http://www.cnblogs.com/lrzw32/p/5100745.html Students who write CSS often realize that as the project scale increases, CSS code in the project

The height of the parent element cannot be adaptive when the float attribute is used for layout. The float attribute is often used in the webpage layout process to implement the Left and Right layout of the page. However, the height of the parent

Review of html-based contentThe difference between HTML (HyperText Markup Language), HyperText descriptive Language, and the most familiar txt text is that txt documents can only use Notepad tools to describe text simply by text, HTML describes a

Bootstrap navigation Element  Use ul and li Unordered Lists for table navigation or tags, and add class. nav and. nav-tabs to ul.     Article Management Category Management Comment management Blog Configuration Blog    When you click

CSS decimal Processing In different browsers or different versions of the same browser, CSS will integer decimal places (directly removing decimal places will still judge based on decimal places)Test code: Test