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Osama Mansour1,411 Points
what is the function of margin and padding in web designing?
margin and padding
Paul Allison2,468 Points
margin and padding give you control over the space inside and around your element...... between its content and border is padding ............and outside its border the margin.
you could use them to separate links or images inside an element .....PADDING
or to separate different elements on your page from each other .....MARGIN
copy and paste these links .
Mark WilkowskeCourses Plus Student 18,131 Points
Adding on to Paul's answer, if you have not heard about the Box Model then that will help understand margin & padding too. The CSS you write fits around HTML elements in a certain way - like a box.
Examples I use - for <p> I put 15px bottom margin on <p>'s because usually another <p> will follow and so that margin creates nice horizontal space between <p>s. For padding, if I have <li><a>home</a></li> I'll put padding on <a> if I want the link to appear like a button.
You can test margin/padding out here http://getbootstrap.com/css/ and in Firebug inspect .nav navbar-nav <li><a></a><li>