/* ... existing code ... */

/* @media screen and (max-width: var(--mobileBreakpoint)) { */
@media screen and (max-width: 768px) {
  .isMobile {
    display: block;
  }
  .isDesktop {
    display: none;
  }

  .isDesktopFlex {
    display: none;
  }

  #about {
    height: 20%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  #projects {
    padding: 0rem;
  }

  #mainGrid {
    display: flex;
    flex-direction: column-reverse;
  }
}

/* ... existing code ... */