<svg class="clip-svg">
  <defs>
    <clipPath id="polygon-clip-triangle-right" clipPathUnits="objectBoundingBox">
      <polygon points="100 0, 0 0, 1 1, 1 1" />
    </clipPath>
  </defs>
</svg>


//css
clip-path: url(#polygon-clip-triangle-right);