.jumbotron {
  background-color:  #F6EBD8;
}
.rikaji {
    background-color: #f5faff;
    padding-top: 2rem;
    padding-bottom: 2rem;
}
footer {
  background-color: #657F6F;
  padding: 1rem;
  color: #ffffff;
  text-align: center;
}
footer a {
  color: #00c3ff;
}