plc-sim/client/node_modules/vuetify/lib/components/VProgressCircular/_variables.scss

// VProgressCircular
$progress-circular-intermediate-svg-transition: all 0.2s ease-in-out !default;
$progress-circular-overlay-transition: all 0.2s ease-in-out, stroke-width 0s !default;
$progress-circular-overlay-transform: rotate(calc(-90deg)) !default;
$progress-circular-rotate-animation: progress-circular-rotate 1.4s linear infinite !default;
$progress-circular-rotate-dash: progress-circular-dash 1.4s ease-in-out infinite !default;
$progress-circular-size: 32px !default;
$progress-circular-underlay-color: rgba(var(--v-border-color), var(--v-border-opacity)) !default;

// Lists
$progress-circular-sizes: (
  'x-small': -2,
  'small': -1,
  'default': 0,
  'large': 2,
  'x-large': 4
) !default;