Оформление SVG-фигур 8/20 100%

Курсы §37. Оформление SVG-фигур
1 
  <svg width="320" height="180">
      <polygon points="90.711 20 161.421 90.711 90.711 161.421 20 90.711" fill="none" stroke="yellowgreen" stroke-width="5"></polygon>
      <polygon points="150.711 20 221.421 90.711 150.711 161.421 80 90.711" fill="none" stroke="gold" stroke-width="10"></polygon>
      <polygon points="210.711 20 281.421 90.711 210.711 161.421 140 90.711" fill="none" stroke="lightseagreen" stroke-width="30" stroke-opacity="0.5"></polygon>
    </svg>
2 
<svg width="320" height="180">

  <polygon points="90.711 20 161.421 90.711 90.711 161.421 20 90.711" fill="none" stroke="yellowgreen" stroke-width="5px"></polygon>

  <polygon points="150.711 20 221.421 90.711 150.711 161.421 80 90.711" fill="none" stroke="gold" stroke-width="10px" stroke-opacity="1"></polygon>

  <polygon points="210.711 20 281.421 90.711 210.711 161.421 140 90.711" fill="none" stroke="lightseagreen" stroke-width="30px" stroke-opacity="0.5"></polygon>

</svg>