.fullMobileHeight {
  height: 100vh;
  /* If you need to support browser without CSS var support (<= IE11) */
  /* the vh height package is offsetting the top it seems, but not so much the bottom one;  but 6 rem seems consistent for creating top and bottom space for mobile*/
  height: calc(var(--app-height) - 6rem);
  /* enable vh fix */
}