github.com/thomasobenaus/nomad@v0.11.1/ui/app/styles/utils/z-indices.scss (about)

     1  $z-tooltip: 250;
     2  $z-gutter: 220;
     3  $z-gutter-backdrop: 219;
     4  $z-header: 210;
     5  $z-subnav: 200;
     6  $z-popover: 150;
     7  $z-base: 100;
     8  $z-icon-decorators: 50;