css-svg triangle

.bg--PSAnone {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 500 250' preserveAspectRatio='none'%3E%3Cpath d='M0,125 500,0 500,250 Z' fill='gold'/%3E%3C/svg%3E");
  }