html,body{width:100%;height:100%;padding:0;background:#fff;margin:0;font-family:Tahoma}
 #contenedor{
    width: 100%;
    margin: 0 auto ;
    text-align:center;
}

#titulo {
width:80%;
margin: 0 auto;
color:#202020;
font-family: lobster, cursive;
text-align:center;
font-size:3em;
}

@media screen and (max-width: 400px){
 body{
  background:#FFC0C0;
 }
 
#titulo{
font-size:1.7em;
}

}