.center {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 100vh;
  
 
}

h1 {
  color: black;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 40px;
}

h2 {
  color: grey;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
}

h3 {
  color: grey;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

a {
  color: black;
  background-color:;
  font-weight: bold;
  text-decoration: none;
}