css div margin

According to Graceie's blog The reason this problem occurred is thataccording to the specification, if a box does not have a filler (padding-top) and a top border (border-top), then the top margin of the box overlaps with the top margin of the first child in its internal document flow. Again the white point is: The top margin of the first child element of

The reason for this problem is that, according to the specification, if a box does not have a filler (padding-top) and a top border (border-top), the top margin of the box overlaps with the top margin of the first child in its internal document flow.And the white point is this: the top margin of the parent element's first child element

;C + + support for Visual Studio Code was provided by a Microsoft C + + extension to enable Cross-platform C and C + + development using VS Code on Windows, Linux, and MacOS. The extension is still in preview and our focus are code editing, navigation, and debugging support for C and C + + code ever Ywhere that VS Code runs. Div>Body>HTML>Then we look at the effect, two of the same div is stretched

Margin1, when two elements are on the same row, the horizontal margin between them equals the sum of the margin-left of the left element's margin-right+ right element2, when two elements are up and down, the upper and lower margin between them equals the larger of the two elements up and down margin3, when two elements

Problem description: One student sent me a question that night. The prototype is probably "A maindiv is nested with a div. class = "headr1" div and a div. class = "header2" and set background = "black" header1 to "red" for maindiv ". Header2 sets background = "blue" and sets margin-top: 10px for heder1; he expected the

css| Web | optimization Margin is one of the most commonly used properties in CSS layouts, but if not properly used, it tends to produce too much junk code, allowing our coding volume to grow. Today we introduce a small example of coding optimization, through this example, we hope that you can realize that the path of code optimization is a variety of, but also a

Li Wu:Heng Learn to think together, honouring teachers save Thanksgiving. Leaf See root three return to one, rivers the same oneness.Meekness Conscience Lord, willing to do without regrets to the most bitter. Reading exercises to keep the body and mind, sincere advice and the line and cherish. Ide:visual Studio 2017 Browser:chrome Os:win7 CodeDOCTYPE HTML>HTML>Head> MetaCharSet= "Utf-8" /> Metaname= "Author"content= "Https://www.cnblogs.com/jizuiku"/> title>title> s

Li Wu:Heng Learn to think together, honouring teachers save Thanksgiving. Leaf See root three return to one, rivers the same oneness.Meekness Conscience Lord, willing to do without regrets to the most bitter. Reading exercises to keep the body and mind, sincere advice and the line and cherish. Ide:visual Studio 2017 Browser:chrome Os:win7 CodeDOCTYPE HTML>HTML>Head> MetaCharSet= "Utf-8" /> Metaname= "Author"content= "Https://www.cnblogs.com/jizuiku"/> title>title> s

Add margin:0px Auto in CSS, but no effect, can't realize the center problem! margin:0px Auto; it means: the upper and lower boundary is 0, the left and right according to the width of adaptive! Is the meaning of the horizontal center. The reason is that when you do not set width, the interpreter does not know your width, of course it will not center, will go to t

About the inner div setting margin-top does not work solutionThe code is as follows:The ideal effect is the parent layer and the upper layer of the welt display, the child layer is 200px away from the top of the parent layer, normal in IE, but there is a problem in the FF, the child layer and the parent layer is facing, but the parent layer and the upper layer are spaced 200px.Think of the solution, to help

Example: top of DIV page layout (margin-left method)Left CenterMiddle rightBottomCode: The code is as follows:Copy code

CSS Example:div Page Layout (Margin-left method) Top Middle Left Middle Right Bottom Code: Top of Middle left Center Right Bottom Http://www.webjx.com/bbs/viewthread.php?tid=710&extra=page%3D1

Problem:Solution to the margin-top transfer problem in the nested Div (the Sub-Div sets margin-top, leading to gaps between the parent Div and other elements) In this browser, there are two nested relationship diV. If the pad

This article mainly introduces how to move the cursor to the div and Show Details on the floating layer. The code of the instance that overlaps the left margin of the top margin of the layer and the div is displayed. For more information, see: The Code is as follows:

. Inner-table{tbody{TR:Nth-child (Odd) {background-color: #ffffff; }Tr:nth-child (even){Background-color:#f9f9f9; }} margin:20 Auto; width:90%;} Div.mini-table{Background-color:#ebf5fd;/*Overflow:hidden; You can avoid the margin merge but affect the arrow display*/position:relative;Padding-top:0.5px;/** Avoid margin consolidation **/:after{bottom:100%; Left:-20px

Problem Description: The prototype is probably "a div nested two Div, to main set the background=" Pink ", Header1 set background=" Red ". Header2 set background= "Blue", at the same time to Heder1 set margin-top:10px; It is expected that the top margin of the inner layer heder1div is 10px away from the top of the main

CSS deep understanding of learning notes-margin and css learning notes-margin 1. margin and container size Element size: ① visible size clientWidth (standard); ② occupying size 　　 Margin and visual size: ① applicable to normal blo

sibling relationship. Third, the effect of margin is negative 1. Simply talk about the effect of negative margin We use the margin in CSS, but the margin is set to negative, that may not be good to handle, margin negative value i

value can be a percentage, and the percentage is calculated based on the width of the parent element , which is set for the child element in Example 2 margin: 50% . The property value can be a CSS length unit and the value can be negative. The property value can be inherit .Margin OverlayNote: In normal document flow, the vertical arrangement of two block-level

-height ' property was zero, and it has neither top or bottom borders nor t Op or bottom padding, and it has a ' height ' of either 0 or ' auto ', and it does not contain a line box, and all of Its in-flow children ' s margins (if any) collapse. 1. There is no folding between the floating box and the other boxes. (Even the floating box does not collapse between the elements of its normal flow). For example, an outer edge collapse occurs between a parent element and a child element in the follow