Some Css code are not support all browsers.then how solve this type problem.....any tools that make all browser friendly code

Answer 1

You either change the css property, for example, there is opacity: and filter: opacity is the same. Use vendor prefixes, and there is a table which indicates which browsers support properties.

Answer 2

Old browsers don't support css3 properties
Write vendor prefixes before the property
Like this:
-webkit-opacity:0.5;
Here is the table
Internet explorer:-ms-
Chrome:-webkit-
Safari:-webkit-
Firefox:-moz-
Opera:-o-
https://www.sololearn.com/learn/CSS/2237/