html,
body {
  width: 100%;
  height: 100%;
}

body {
  /* background-image: linear-gradient(to top, #cfd9df 0%, #e2ebf0 100%); */
  /* background-image: linear-gradient(120deg, #fdfbfb 0%, #ebedee 100%); */
  background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.img-responsive {
  width: 100%;
}

h1 {
  text-align: center;
  font-weight: bold;
  text-transform: uppercase;
}