Handy trump to setup font weight
<p class="u-weight-300"> Lorem Ipsum dolo et</p>
In order to use font weights you will need to override their variable to true
$inuit-enable-font-weight--100: false !default; $inuit-enable-font-weight--200: false !default; $inuit-enable-font-weight--300: false !default; $inuit-enable-font-weight--400: false !default; $inuit-enable-font-weight--500: false !default; $inuit-enable-font-weight--600: false !default; $inuit-enable-font-weight--700: false !default; $inuit-enable-font-weight--800: false !default; $inuit-enable-font-weight--900: false !default;