#contenedor{	width: 984px; height: 250px; margin-right: auto; margin-left: auto; padding: 90px 0px 0px 0px;  text-align: center;  background-image: url(img/pizarra.jpg);  background-position: top;  background-repeat: no-repeat;   color: #FFF; }
#contenedor h2{	width: 360px;  font-size: 1.8em;  margin:0px; padding:0px;  margin-bottom: 50px; margin-right: auto; margin-left: auto;}
#contenedor p{	width: 240px; margin-right: auto; margin-left: auto; font-size: 1.1em;  font-weight: bold;  }