h1 {
  text-align: center;
  text-transform: uppercase;
  text-shadow: 10px 10px 10px;
}
 h2 {
   margin-left: 500px;
 }
body {
  background-color: #f0f0f0
}
 .formula {
   text-align: center;
   font-size: 28px;
   text-shadow: 5px 10px 5px;
   background-color: #b5b5b5;
 }
.explicacao {
  font-size: 22px;
}
.plano {
  text-align: center;
}
p {
  font-size: 22px;
}
.p2 {
  background-color: #b5b5b5;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  line-height: 40px;
}

.titulo {
  font-family: "Dancing Script", cursive;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}
.ref {
  text-align: center;
}
.linkred {
  color: red;
}
.linkblu {
  color: blue;
}
.barrazul {
  border-right: 5px solid blue;
}


.imagem {
  text-align: center;
  }