.top-navbar{
    height: var(--top-navbar-height); 
}
.second-top-navbar{
    --second-top-navbar-height: 56px; /* Adjust to your second top navbar height */
}

:root { --top-navbar-height: 56px; /* Adjust to your top navbar height */ 
    --second-top-navbar-height: 0px; /* Adjust to your second top navbar height */ 
    --bottom-navbar-height: 77px; /* Adjust to your bottom navbar height */ 
  }

body {
padding-top: calc(var(--top-navbar-height, 0) + var(--second-top-navbar-height, 0));
padding-bottom: var(--bottom-navbar-height, 0);
}