As we all know, using HTML to locate text and graphs on webpages is a "heartbreaking" thing. We must use table labels and implicit GIF images. Even so, positioning accuracy cannot be ensured, because different browsers and operating platforms may change the display results.
CSS allows you to see the dawn of hope. With the CSS attributes we will learn today, you can precisely set the positions of elements, a
: -150px;
Background-color:pink;
}
Html
The code is as follows:
Advantages: Good compatibilityDisadvantage: You must know the height of the content box can be, with this limit;
Method Three: The principle of this method and method two is the same. No more nonsense to look at the code.
Css
The code is as follows:
. Wrap {
height:500px;
width:500px;
Background-color:pink;
}
. Additional {
height:50%;
Margin-bottom: -120p
Address: http://blog.sina.com.cn/bpfc
What is CSS float?
Float is the position attribute of CSS. In the traditional printing layout, text can be centered around images as needed. This method is generally called "Text wrap ". In the web design, the page elements that apply the float attribute of CSS are like the text-en
Next, create a folder on the desktop named "Div + CSS layout exercise", create two empty notepad documents under the folder, and enter the following content:
This is the basic structure of XHTML, named as index.htm. another document is named as css.css.
The following code writes the basic structure of the div to the
To mak
only inline table can also be embedded text and other HTML code
CSS is the abbreviation of cascading style sheets, Chinese translation "Cascading style form", when the homepage is made using CSS technology, can effectively the layout of the page, font, color, background and other effects to achieve more precise control. As long as you make some simple changes t
1, Div Two column row two-column Div layout How to implement, div two column side-by-row two-column div layout tutorial Solution
Two div boxes are implemented side-by, one line shows only two column div layouts, and the width widt
css| Tutorials | Getting Started | page
Third, the top of the page production (1)When we have written the general DIV structure of the page, we can start to make each part in detail.In the previous chapter we wrote some styles that were written to preview the structure, and we cleaned out all the styles in Css.css and rewritten the following style codes:Program c
One of the most important advantages of DIV+CSS: maintain visual consistency; the previous form nesting method will make the page and the page, or region and region between the display effect will be biased. The use of the Div+css method, all pages, or all areas of the unifi
css| Web page
We in the web design, will encounter a lot of unexpected situation, irregular text typesetting is one of them, how should we face such typesetting requirements? How should CSS code be written?
In this case, we usually have two choices:
1, the use of pictures to make, and the use of hot areas to create links, such a way can be very convenient to so
css| Web page
Use Div to layout, the proposed div should be used to organize the code structure, now we go a little deeper, Div has semantics?
The question was hotly debated in the study group some time ago, when Rice was asked: "What is semantic web,div?" "Xiao Yi replied:"
section + css after html5 is popularized? Haha, what do you say?What is W3C standards?W3C standards are not a set of standards, but a set of standards. They contain three parts: Structure standards, performance standards, and action standards. The Representative language corresponding to the structure standard is xHTML, the representative language corresponding to the performance standard is CSS, and the R
only once, class can be referenced multiple times.I use a number of the same ID in the IE display is also normal, the ID and class as if there is no difference, with more than the same ID have any effect?The presence of more than one ID on a page affects the validation that cannot be done through W3.On the page display, the current browser also allows you to make this error, with more than the same ID "in general" can also be displayed normally. But
css| Beginners
Web standards are now popularly called "div+css" or "layer layouts." I have no objection to this Bingyi. But it's a myth: a lot of the use of div tags as a structural element. In fact, this is a more advanced div abuse (Jeffrey Zeldman mentioned in the book "W
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
to stick to the role of "absolute fans of web standards. It seems that we should calmly think about why Div + CSS is used, rather than how to implement some details.
Our company is facing the opposite dilemma. It is too restrictive to Div + CSS and Div +
to say div+css is not a beginner. Don't be surprised by his boredom and repetition.4 The biggest cries!! No deformation!!!!!!There are many articles on the web that say div variants (different effects under different browsers)Beginners you are not afraid of Firefox is afraid of IE 6????The simplest way to solve the problem:Where to get back to!!!!!!!!!!!!Do not
navigation (Main menu)
Sub Menu
Search box
Ribbon (e.g. shopping cart, cashier)
Footer (copyright and related legal notices)
We usually use DIV elements to define these structures, like this:
This is not a layout, it is a structure. This is a semantic description of the content block. When you understand your structure, you can add the corresponding ID to the div.
from the actual website type. If the page is not frequently revised, it is enough for small-and medium-sized enterprise websites to create tables. You don't have to spend too much on this.
Only by mastering the essence of DIV + CSS can the page designer make full use of its advantages. Instead, it is better to use table instead of blindly imitating it.The essenc
you cannot find a more suitable element, then you can consider using the div and span elements with no semantics. The difference between div and span is not mentioned in history. Currently, div is usually used for large areas and span is used for small text fragments in rows. As I have mentioned above, div is generall
=" Wkiom1qgrjkxvzp7aadcaup-5f8096.jpg "/>Well, the preliminary effect has already, then you can see that we are not in the browser center display but on the left, if we can also be used to offset the center, but if you change a computer or a browser may not be centered, then how to do the center, We can use a special attribute in margin, let's look at:Well, after adjusting and centering, then look at the effect we have now:650) this.width=650; "title=
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