form--select.css

/*
 * DO NOT EDIT THIS FILE.
 * See the following change record for more information,
 * https://www.drupal.org/node/3084859
 * @preserve
 */

/**
 * @file
 * Select input elements.
 */

.form-element--type-select {
  padding-inline-end: calc(2rem - var(--input-border-size));
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 9'%3e%3cpath fill='none' stroke-width='1.5' d='M1 1l6 6 6-6' stroke='%23545560'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: 100% 50%;
  background-size: 2.75rem 0.5625rem; /* w: 14px + (2 * 15px), h: 9px */

  /**
   * Select states.
   */
  &:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 9'%3e%3cpath fill='none' stroke-width='1.5' d='M1 1l6 6 6-6' stroke='%23003ecc'/%3e%3c/svg%3e");
  }
  &[disabled] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 9'%3e%3cpath fill='none' stroke-width='1.5' d='M1 1l6 6 6-6' stroke='%238e929c'/%3e%3c/svg%3e");
  }

  [dir="rtl"] 

  .no-touchevents 
  }
}

@media (forced-colors: active) {
  .form-element--type-select,
  .form-element--type-select:focus,
  .form-element--type-select[disabled] {
    padding-inline-end: var(--input-padding-horizontal);
    background-image: none;
    appearance: revert; /* Revert  appearance value for modern browsers. */
  }
}