aca les mando mi codigos
html>
<head>
<title>Page title</title>
<link rel="stylesheet" href="estilo.css" type="text/css" media="all">
</head>
<body>
[contenido no disponible]
<div id="global">
<div id="menu">
<div id="menuuno">La Empresa</div>
<div id="menudos">Catalogo</div>
<div id="menutres">Sucursales</div>
<div id="menucuatro">Contacto</div>
</div>
</div>
</body>
</html>
estilos
body {background-image:url(objetos/fondo.png)}
#global {width:800px ; margin:4px auto}
#menu {background-color:none;
border-left: black 1px solid ;
border-right: black 1px solid ;
border-top: black 1px solid ;
border-left: black 1px solid ;}
#menuuno {blackgroun-color:write ; Float:left ; width:200px ; color:white ; font-size:1.5em}
#menudos {blackground-color:red ; float:left ; width:200px ; color:white; font-size:1.5em}
#menutres {blackgroun-color:yellow ; float:left ; width:200px ; color:white ; font-size:1.5em}
#munucuatro{blacground-color:green ; float:left ; width:200px ; color:white ; font-size:1.5em}
html>
<head>
<title>Page title</title>
<link rel="stylesheet" href="estilo.css" type="text/css" media="all">
</head>
<body>
[contenido no disponible]
<div id="global">
<div id="menu">
<div id="menuuno">La Empresa</div>
<div id="menudos">Catalogo</div>
<div id="menutres">Sucursales</div>
<div id="menucuatro">Contacto</div>
</div>
</div>
</body>
</html>
estilos
body {background-image:url(objetos/fondo.png)}
#global {width:800px ; margin:4px auto}
#menu {background-color:none;
border-left: black 1px solid ;
border-right: black 1px solid ;
border-top: black 1px solid ;
border-left: black 1px solid ;}
#menuuno {blackgroun-color:write ; Float:left ; width:200px ; color:white ; font-size:1.5em}
#menudos {blackground-color:red ; float:left ; width:200px ; color:white; font-size:1.5em}
#menutres {blackgroun-color:yellow ; float:left ; width:200px ; color:white ; font-size:1.5em}
#munucuatro{blacground-color:green ; float:left ; width:200px ; color:white ; font-size:1.5em}