使用JavaScript给hugo添加繁星效果背景

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                h.fillStyle = "rgba(" + d + "," + this.opacity + ")", h.arc(this.x, this.y, 1.5, 0, 2 * Math.PI, !1);
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dark();

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  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;  /*透明度,数字越大越明显*/
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