.shift-center-25 {
  padding-top: 25vh;
}

.shift-center-10 {
  padding-top: 10vh;
}

.abs-center {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.center {
  display: flex;
  align-items: center;
  justify-content: center;
}