h1 { color: black ; font-size: x-large ; font-weight: bold ; text-align: center }
h2 { color: black ; font-size: large ; font-weight:normal ; text-align: center }
h3 { color: black ; font-size: midiam ; font-weight:normal ; text-align: center }
p  { color: black ; font-size: midiam ; font-weight: normal; text-align: center}