body {
  background-color: #979797;
}
div.img-qris {
  padding: 0;
  width: 70%;
  margin: auto;
}
div.img-qris > img {
  width: 100%;
  height: inherit;
  object-fit: cover;
}
.inp-pw {
  width: 50%;
}
.btn-pw {
  width: 10%;
  height: 2.3em;
  margin-left: 20px;
  overflow: hidden;
  font-size: 14px;
  background-color: #979797;
  color: black;
}
.btn.pw {
  transition: transform background-color 5s ease-in-out;
}
.btn-pw:hover {
  transform: scale(1.2);
  background-color: blueviolet;
}