html, body {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  height: 100%;
  margin: 0;
  min-height: 100%;
}

main {
  flex: 1; /* takes all remaining space */
}

.btn-primary {
  background-color: #ff7800;
  border-radius: 5px;
  border: none;
  box-sizing: border-box;
  color: white;
  cursor: pointer;
  padding: 10px;
  width: 80%;
}

.btn-primary:hover {
  background-color: #f06d00;
}

/* Animate the floating label */
.form-floating > label {
  transition: transform 0.3s ease, font-size 0.3s ease, opacity 0.3s ease;
}

/* Animate smooth focus border color */
.form-control {
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}