Browser Specific Definitions - CSS

Read : How to define CSS in General HTML and Blogger and as tag?

Lets take the following example,

.textborder{-moz-border-radius:0.5px}

In the above code, I've mentioned something -moz- before border attribute. Why?
All browsers doesn't support basic codes. Each browser has their own attribute definition.

Attribute to be added	Browser	Example
-moz-	Mozilla	-moz-border-radius:0.5px;
-o-	Opera	-o-border-radius:0.5px;
-ms-	Internet Explorer	-ms-border-radius:0.5px;
-webkit-	Safari & Google Chrome	-webkit-border-radius:0.5px;

So? What If my webpage will be viewed in all of these browsers? How will I define  for all browsers?
Yes! You can define for all browsers. You should define the CSS as follows,

.textborder{
border:0.5px solid black;
-moz-border-radius:0.5px;
-o-border-radius:0.5px;
-ms-border-radius:0.5px;
-webkit-border-radius:0.5px;
border-radius:0.5px;
}

I have mentioned border-radius at the end. Why?
When we've left any of the browser in browser specific definition, the one without browser specific definition may take effect.

Now, the CSS result can be viewed in all browsers as below.

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