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#instructions
{
border :1px solid #069ff7;
-moz-border-radius :10px;
-webkit-border-radius :10px;
background :#f7f8bd;
font-family :arial;
padding :5px;
}
it's the two lines
-moz-border-radius :10px;
-webkit-border-radius :10px;
that you need to put into your CSS. Fir other browsers it just shows a normal square edged border so you can use it and it look great for some people. Eventually other browsers will catch up to CSS3