#formulario {
	background-color: #FFF;
	width: 280px; 
	margin:0 auto;
	margin-top: 20px;
	padding: 20px; 
	border-radius: 5px;
	-webkit-border-radius: 5px;
	-moz-border-radius: 5px;
	-moz-background-clip: padding; -webkit-background-clip: padding-box; background-clip: padding-box;
}
#login_usuario {
	width: 200px;
}
#login_senha {
	width: 200px;
	margin-top: 5px;
	margin-left: 7px;
}
#entrar {
	width: 60px;
	margin-left: 189px;
	margin-top: 5px;
}