.main-info-card {
  width: 100%;
  height: 100%;
  padding: 40px;
  text-align: center;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.kertas {
  width: 80%;
  height: 80%;
  background: white;
  margin: 50px;
}

.main-info-card h1 {
  font-size: 4vw;
  margin-bottom: 10px;
}

.main-info-card h2 {
  font-size: 3vw;
  margin: 10px 0;
}

.main-info-card .time,
.main-info-card .place {
  font-size: 2vw;
  opacity: 0.9;
}

.main-info-card .message {
  font-size: 2.2vw;
  margin-top: 20px;
}