form--select.pcss.css

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

@import "../base/variables.pcss.css";

.form-element--type-select {
  padding-right: calc(2rem - var(--input-border-size));
  background-image: url(../../images/icons/545560/chevron-down.svg);
  background-repeat: no-repeat;
  background-position: 100% 50%;
  background-size: 2.75rem 0.5625rem; /* w: 14px + (2 * 15px), h: 9px */
}

[dir="rtl"] .form-element--type-select {
  padding-right: calc(1rem - var(--input-border-size));
  padding-left: calc(2rem - var(--input-border-size));
  background-position: 0 50%;
}

.no-touchevents .form-element--type-select.form-element--extrasmall,
.no-touchevents .form-element--type-select[name$="][_weight]"] {
  padding-right: calc(1.5rem - var(--input-border-size));
  background-size: 1.75rem 0.4375rem; /* w: 14px + (2 * 7px), h: 7px */
}
[dir="rtl"].no-touchevents .form-element--type-select.form-element--extrasmall,
[dir="rtl"].no-touchevents .form-element--type-select[name$="][_weight]"] {
  padding-right: calc(0.5rem - var(--input-border-size));
  padding-left: calc(1.5rem - var(--input-border-size));
}

.form-element--type-select::-ms-expand {
  display: none;
}

/**
 * Select states.
 */
.form-element--type-select:focus {
  background-image: url(../../images/icons/003ecc/chevron-down.svg);
}
.form-element--type-select[disabled] {
  background-image: url(../../images/icons/8e929c/chevron-down.svg);
}

/* Necessary to show chevron in forced colors mode in modern browsers. */
@media (forced-colors: active) {
  .form-element--type-select,
  .form-element--type-select:focus,
  .form-element--type-select[disabled] {
    padding-right: var(--input-padding-horizontal);
    background-image: none;
    appearance: listbox; /* Default  appearance value for modern browsers. */

    /* Lets browser set  appearance to whatever the browser's default is. */
    @supports (appearance: revert) {
      appearance: revert;
    }
  }
}

/* Necessary for Internet Explorer to show chevron. */
@media screen and (-ms-high-contrast: active) {
  .form-element--type-select,
  .form-element--type-select:focus,
  .form-element--type-select[disabled] {
    padding-right: var(--input-padding-horizontal);

    /* Re-enable default chevron for Internet Explorer. */
    &::-ms-expand {
      display: block;
    }
  }
}