Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.2.5)
// ----

@mixin placeholder($selectors) {
  $prefixes: -moz-placeholder, -webkit-input-placeholder;
  
  @each $p in $prefixes {
    $selector: ();
    @each $s in $selectors {
      $selector: append($selector, '#{$s}::#{$p}');
    }
    #{$selector)} {
      @content;
    }
  }
}

@include placeholder(
  '.DateRangePicker--Input--Start'
  '.DateRangePicker--Input--End'
) {
  text-align: center;
};

SassMeister-output.css

.DateRangePicker--Input--Start::-moz-placeholder .DateRangePicker--Input--End::-moz-placeholder {
  text-align: center;
}

.DateRangePicker--Input--Start::-webkit-input-placeholder .DateRangePicker--Input--End::-webkit-input-placeholder {
  text-align: center;
}