Same filename and directory in other branches
  1. 3.0.x css/color_field_widget_spectrum.css
.js-color-field-widget-spectrum__color.required,
.js-color-field-widget-spectrum__opacity.required {
  display: block !important;
  width: 0;
  height: 0;
  padding: 0;
  border: none;
  overflow: hidden;
}

Fichier

css/color_field_widget_spectrum.css

View source 
  1. .js-color-field-widget-spectrum__color.required,

  2. .js-color-field-widget-spectrum__opacity.required {

  3.   display: block !important;

  4.   width: 0;

  5.   height: 0;

  6.   padding: 0;

  7.   border: none;

  8.   overflow: hidden;

  9. }