@aws-amplify/ui/dist/styles/icon.css

`@aws-amplify/ui` contains low-level logic & styles for stand-alone usage or re-use in framework-specific implementations.

/*
 * Icon base styles
 */
.amplify-icon {
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
  height: var(--amplify-components-icon-height);
  line-height: var(--amplify-components-icon-line-height);
}
.amplify-icon > svg {
  height: var(--amplify-components-icon-height);
  width: var(--amplify-components-icon-height);
}