Generated by SassMeister.com.

input.scss

$cmln-toc-entry-number-padding-right: 1rem;

$selector: "";
@for $i from 1 through 6 {
	$selector: "#{$selector} ul li";
	#{$selector} a .tocnumber { min-width: $cmln-toc-entry-number-padding-right + 0.25rem + 0.75rem * $i; }
}

output.css

ul li a .tocnumber {
  min-width: 2rem;
}

ul li ul li a .tocnumber {
  min-width: 2.75rem;
}

ul li ul li ul li a .tocnumber {
  min-width: 3.5rem;
}

ul li ul li ul li ul li a .tocnumber {
  min-width: 4.25rem;
}

ul li ul li ul li ul li ul li a .tocnumber {
  min-width: 5rem;
}

ul li ul li ul li ul li ul li ul li a .tocnumber {
  min-width: 5.75rem;
}

settings.json

{
  "sass": {
    "compiler": "dart-sass/1.26.11",
    "extensions": {},
    "syntax": "SCSS",
    "outputStyle": "expanded"
  },
  "autoprefixer": false
}