What happens if you give the float property for an HTML element the value center? What would be the purpose of the style float: right for an HTML img element? What is the purpose of the style rule...

What happens if you give the float property for an HTML element the value center? What would be the purpose of the style float: right for an HTML img element? What is the purpose of the style rule clear: both? What is a CSS reset, and how is it used?