.hidden {
  display: none !important;
}

.flex {
  display: flex;
}

.flex-0 {
  flex-grow: 0;
}

.flex-1 {
  flex-grow: 1;
}

.absolute {
  position: absolute;
}

.centered {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.fixed-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.2);
}