set margin

Writing high-quality code-cultivation of Web Front-end development-Reading Notes and cultivation of web Front-end developmentPrefaceIn the past two weeks, I participated in the company's new project and used closed-end development (the project

1. Getting problems with HTML objectsFireFox:document.getElementById ("Idname");Ie:document.idname or document.getElementById ("Idname").Solution: Uniform Use of document.getElementById ("Idname");2. Const ISSUESNote: Under Firefox, constants can be

What is margin? The CSS margin attribute defines the space around the element. You can set the outer margin of the top, right, bottom, and left by using a separate attribute. You can also use the abbreviated margin property to change all the

The Display property is a property that we often use in front-end development, where the most common are: None Block Inline Inline-block Inherit Below, I will make a complete explanation of the above attributes in order.

Tag: img Font cannot insert medium color in list add heightOne: Selector ☆Element selector p {color: #ff0000;}Derived selectors: For example, if you want the strong element in the list to become italic instead of the usual bold, you can define a

Collapse problemAn interesting collapse occurs when two boxes set the margin value in a vertical direction. ① Vertical Juxtapositionfirst set up two Div, and make it a wide height 1/*html Part */2 3 box1 4 box2 5 6/*css part */7

PNG TransparentAlphaImageLoader Filter:progid:DXImageTransform.Microsoft.AlphaImageLoader (Enabled=benabled,sizingmethod=ssize,src=surl) enabled: Options available. A Boolean value (Boolean). Sets or retrieves whether the filter is active. true:

18One, Daily interviewFirst question: The following code outputs the resultdef extend_list (V, li=[]): #Li.append (v)Return LiList1 = Extend_list (10)Print (List1) # [10]List2 = Extend_list (123, [])List3 = Extend_list (' a ')Print (List1) # [Ten, '

1. Getting problems with HTML objectsFireFox:document.getElementById ("Idname");Ie:document.idname or document.getElementById ("Idname").Solution: Uniform use of document.getElementById ("Idname");2. Const ISSUESNote: Under Firefox, constants can be

First, Document.formName.item ("itemname") problem Problem description: Under IE, you can use Document.formName.item ("ItemName") or document.formName.elements ["ElementName"];firefox, You can only use the

1.firefox cannot support the innertext.Firefox supports innerHTML but does not support innertext, it supports textcontent to achieve innertext, but by default the extra space is retained. If you don't use textcontent, you can replace it with

margin The following problems are in the vertical direction:The phenomenon of outer margin merging If two div up and down, to the above Div set Margin-bottom, to the following Div set margin-top, then two margin will occur merging phenomenon, will

1.firefox cannot support the innertext.Firefox supports innerHTML but does not support innertext, it supports textcontent to achieve innertext, but by default the extra space is retained. If you don't use textcontent, you can replace it with

Javascript 1.HTML Object Acquisition Problem FireFox:document.getElementById ("Idname"); Ie:document.idname or document.getElementById ("Idname"). Solution: Unified Use of document.getElementById ("Idname"); 2.const problem Description:

Css implements two-column layout, one fixed width, one adaptive width, and two css columns. Whether it is left or right, the width of one side is fixed, and the width of one side is adaptive. Many topics in the blog Park are also designed in this

Web Front-end Tutorial: CSS layout is here, webcss  CSS layout Layout is an important part of CSS. This article summarizes common techniques in CSS layout, including common horizontal center and vertical center methods, as well as multiple

CSS skills and experience sharing, CSS skills sharing CSS skills and experience: 1. How to clear the gap between pixels below an image Method 1 Img { Display: block; } Method 2 Img { Vertical-align: top; } // In addition to the top value, you can

A typical three-row, two-column center height Adaptive Layout: How to center the entire page content and how to automatically scale the highly adaptive content. This is the most common problem in CSS layout learning. The following is a practical

Transferred from: http://www.cnblogs.com/fu277/archive/2012/09/13/2400118.html1. Center Horizontally(1) Horizontal centering of elements in text, picture, etc.Setting Text-align:center to the parent element enables horizontal centering of elements

The CSS box-like model is the basis for most CSS layouts and positioning, and it describes each element in a Web page in a bounded box containing 4 components. The box-like model is shown.Box size = content size (width+height) + padding (padding) +