let Declaration = require('../declaration') let utils = require('../utils') class BackdropFilter extends Declaration { constructor (name, prefixes, all) { super(name, prefixes, all) if (this.prefixes) { this.prefixes = utils.uniq( this.prefixes.map(i => { return i === '-ms-' ? '-webkit-' : i }) ) } } } BackdropFilter.names = ['backdrop-filter'] module.exports = BackdropFilter