insert(decl, prefix, prefixes) {
    if (prefix === '-ms-') {
      if (!this.contain3d(decl) && !this.keyframeParents(decl)) {
        return super.insert(decl, prefix, prefixes)
      }
    } else if (prefix === '-o-') {
      if (!this.contain3d(decl)) {
        return super.insert(decl, prefix, prefixes)
      }
    } else {
      return super.insert(decl, prefix, prefixes)
    }
    return undefined
  }
Don't add prefix for IE in keyframes