q erro é esse?

[Nescau Gelado 0]

Pessoal estou tentando validar meu css.. mas está acusando 3 erros... seguem:

 

linha 4*Family names containing whitespace should be quoted. If quoting is omitted, any whitespace characters before and after the name are ignored and any sequence of whitespace characters inside the name is converted to a single space.[b]conteudo do *[/b]*{	pading: 0;	margin: 0;linha 4 ->	font-family:Trebuchet MS, Arial, Helvetica, sans-serif;}

linha 134#conteudoFamily names containing whitespace should be quoted. If quoting is omitted, any whitespace characters before and after the name are ignored and any sequence of whitespace characters inside the name is converted to a single space.[b]conteudo do #conteudo[/b]#conteudo{	margin-top:60px;	margin-left:70px;	margin-right:70px;linha134->	font-family:Trebuchet MS, Arial, Helvetica, sans-serif;	font-size:12px;	text-align:center;}

linha 170#rodapeFamily names containing whitespace should be quoted. If quoting is omitted, any whitespace characters before and after the name are ignored and any sequence of whitespace characters inside the name is converted to a single space.[b]conteudo do #rodape[/b]#rodape{	background:url(../images/fundo_menu.jpg) repeat-x;	height:59px;	font-size:11px;linha170->	font-family:Trebuchet MS, Arial, Helvetica, sans-serif;}

 

que erro é esse? alguem pode ajudar?

[Giovani 104]

font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;

Isso deve resolver o problema.

[Nescau Gelado 0]

valeu amigo!!resolveu!! :D

[Giovani 104]

Quando o nome da fonte for composto coloque entre aspas duplas.Problema resolvido!