html, body {
  height: 100%;
  padding: 0;
  margin: 0;
  background: #000 no-repeat url(./background.png);
  background-size: cover;
  font-family: sans-serif;
  overflow: hidden;
}

.container {
  padding: 25px;
  width: 65vw;
  margin: 2vh auto;
  flex: flex;
  background: #fffa;
  border-radius: 2vh;
  border: 2px solid #000;
}
p.header {
  font-size: 5vh;
  text-align: center;
}
p.lead {
  font-weight: lighter;
  font-size: 2vh;
  text-align: center;
}
p.reason {
  font-size: 2vh;
}
p.sub {
  font-weight: lighter;
  font-size: 1vh;
  text-align: right;
}