w3c css validator

Here is a list of 5 free online CSS validator sites. These sites allow you to validate your CSS code freely without any hassle. You can choose to upload the file, verify the CSS add URL, or simply copy and paste the full CSS code. The good point is that these sites not only

Yesterday this site (http://www.tangzhehao.com.cn) from XHTML1.0 has 121 errors and CSS nearly 10 errors, I spent nearly two hours, all the errors will be done. The accumulated skills are as follows. To impress everyone, we adopt the question-making and summary methods. W3C XHTML 1.0 International Standard: Question 1: In 1. punctuation. This is actually the most easily overlooked problem. In fact, this err

Standard W3C box model and IE box model --- CSS layout classic Box Model The box model is an important concept in CSS. Only by understanding the box model can the layout be better. In fact, there are two types of box models: the IE box model and the standard W3C box model. They have different interpretations o

DIV + CSS two box models (W3C box and IE box), cssw3c Before analyzing the two box models, let's briefly describe what the box model is. Principle:First, let's talk about the attribute names that we often hear in web design: content, padding, border, and margin all have these attributes. These attributes can be transferred to the boxes in our daily life for understanding. The boxes we see in our daily life

Standard W3C box model and IE box model CSS layout classic box model (conversion), w3ccssW3C box model and IE box model CSS layout classic box model (conversion) the box model is an important concept in css. Only by understanding the box model can the layout be better. In fact, there are two types of box models: the ie

The box model is an important concept in CSS. Only by understanding the box model can the layout be better. In fact, there are two types of box models: the IE box model and the standard W3C box model. Their interpretation of the box model is different. Let's take a look at the well-known standard box model: We can see that the range of the standard W3C box mode

ArticleDirectory CSS Introduction Basic CSS syntax CSS advanced syntax CSS derived selector (also known as parent-child selector) Css id Selector CSS class selector How to Create

ArticleDirectory CSS padding CSS border CSS margin CSS margin merge The CSS box model specifies how the element content, padding, border, and padding are processed by the element box. CSS box model Over

Summarize some experiences related to W3C CSS standards:I. Use less remedies. Similar to break-word, z-index, manual layering, vertical alignment, and so on, it is best to use less, because not all browsers support it and it is very difficult to pass W3C detection.2. The center is not a float value. Many new users mistakenly think of the center value as a float v