Playit

CSS Property:
top:
auto
10px
25px
50px
100px
-10px
-25px
-50px
-100px
initial
Result:
Play with different "top" values for this yellow DIV element.

Note: To "top" positioning elements using % (percent) values, use position:absolute.

CSS Code:

    div#myBox {
        background-color:yellow;
        width:100px;
        position:relative;
        top:0px;
    }

Click the property values above to see the result
W3Schools.com - Play it