pokemon.trade/app/javascript/packs/frontend/assets/stylesheets/app.scss

$primary: #E3350D;

$border-radius: 0 !default;
$border-radius-lg: 0 !default;
$border-radius-sm: 0 !default;

html,
body,
main#app {
  height: 100%;
  background-color: #424242;
  color: #fff;
}

@import '~bootstrap/scss/bootstrap.scss';