.fit-picture {
  width: 250px;
}

.bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.overlay {
    position: fixed;
    inset: 0;                 /* full screen */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.center-image {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;

    width: 90vw;   /* 👈 make bigger here */
}