seperation between elements

I need to get some input elements to have no distance between the top and bottom of them. i have the code

[code=html]<input type=”text” name=”user” value=”Username” onFocus=”Javascript:if(this.value==’Username’){this.value=”}” /><br />
<input type=”password” name=”pass” /><br />
<input type=”submit” name=”submit” value=”Login” /><input type=”submit” name=”submit” value=”Reg” />[/code]

and want there to be no space between the bottom of one and the top of the next. any ideas?
my CSS for these is

[code=html]input {
padding: 0px ;
font-size: 10px ;
border: 1px #666666 solid ;
background-color: #999999 ;
}[/code]

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