css help needed

[usARX]

body {

margin: 0;

padding: 0;

text-align: left;

font: 12px Arial, Helvetica, sans-serif;

font-size: 13px;

color: #061C37;

background: #FACFCF;

background-image:url(images/background.png);

background-repeat:repeat-x;

}

*

{

margin: 0 auto 0 auto;

text-align:left;}

 

can anyone explain this css code to me.

what do background-repeat and * between two brackets do???