body {
  background-image: url('img/uasd-bg.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: bottom;
}
.invisible {
  display: none;
}

input {
  height: 130px !important;
  font-size: 70px !important;
  text-align: center;
}
header{
  background-color: rgba(23,23,23,.4);
}

.progress-bar-animated {
  transition: width 0.4s ease-in-out;
}