body {
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
}

.title {
  display: flex;
  justify-content: center;
}

.selection {
  display: flex;
  justify-content: center;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}

.card {
  margin: 10px;
  display: flex;
  justify-content: center;
  flex-direction: column;
}

.card-title {
  align-self: center;
}

.card-body {
  width: 400px;
  height: 400px;
  padding: 0 0 20px 20px;
  vertical-align: top;
}

iframe {
  width: 100%;
  height: 100%;
}