html - A weird spacing appears when I use margin property -
my html :
<!doctype html> <html> <head> <meta charset="utf-8"> <title>lol</title> </head> <body> <div id="one"></div> </body> </html> css :
div { background: yellow; width: 77px; height: 77px; border: 1px dotted reddish } #one { margin: 0px 21px 41px 41px } my margin-top value 0px, nevertheless, spacing beetwen square , top of page appears.
why? here illustration :
and jsfiddle : http://jsfiddle.net/9vqz9/1/
add this:-
html,body{ margin:0; padding:0;} html css margin
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