#box4 {
  align-items: center;
  height: auto;
}

#box4 .dua-content {
  width: 100%;
  margin-top: 20px;
  text-align: center;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#box4 .dua-text {
  font-size: 20px;
  line-height: 2;
  max-width: 90%;
  margin: 0 auto 12px auto;
}

#box4 .dua-source {
  font-size: 13px;
  opacity: 0.6;
}