.star-rating::before,
.star-rating span::before {
  content: "★★★★★" !important;
  font-family: Arial, sans-serif !important;
  letter-spacing: 1px;
}
.star-rating::before { color: #d8d8d8 !important; }
.star-rating span::before { color: #f4a300 !important; }