.custom-file-input {
  position: relative;
  z-index: 2;
  width: 100%;
  height: $custom-file-height;
  margin: 0;
  opacity: 0;

  &:focus ~ .custom-file-label {
    border-color: $custom-file-focus-border-color;
    box-shadow: $custom-file-focus-box-shadow;
  }

  &:disabled ~ .custom-file-label {
    background-color: $custom-file-disabled-bg;
  }

  @each $lang, $value in $custom-file-text {
    &:lang(#{$lang}) ~ .custom-file-label::after {
      content: $value;
    }
  }

  ~ .custom-file-label[data-browse]::after {
    content: attr(data-browse);
  }
}

.custom-file-label {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1;
  height: $custom-file-height;
  padding: $custom-file-padding-y $custom-file-padding-x;
  font-weight: $custom-file-font-weight;
  line-height: $custom-file-line-height;
  color: $custom-file-color;
  background-color: $custom-file-bg;
  border: $custom-file-border-width solid $custom-file-border-color;
  @include border-radius($custom-file-border-radius);
  @include box-shadow($custom-file-box-shadow);

  &::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    display: block;
    height: $custom-file-height-inner;
    padding: $custom-file-padding-y $custom-file-padding-x;
    line-height: $custom-file-line-height;
    color: $custom-file-button-color;
    content: "Browse";
    @include gradient-bg($custom-file-button-bg);
    border-left: inherit;
    @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
  }