h1 {
  text-transform: uppercase;
  font-size: 3rem
}
p {
  font-size: 2rem
}
.poster {
  background-color: #000;
  width: 75%;
  margin-left: auto;
  margin-right: auto;
  padding-top: 100px;
  padding-bottom: 50px;
  color: #fff;
  text-align: center
}
#mario {
  width: 65%;
  border: 5px solid #fff
}