CSS 太阳光线透过窗户

 代码html：

<div class="container">
  <div class="photo">
    <img src="https://source.unsplash.com/ud3mHXnWM7w/960x640" width="960" height="640" alt="">
  </div>
  <div class="sunrays r1">
    <div class="light"></div>
    <div class="light"></div>
    <div class="light"></div>
    <div class="light"></div>
    <div class="light"></div>
    <div class="light"></div>
  </div>
  <div class="sunrays r2">
    <div class="light"></div>
    <div class="light"></div>
    <div class="light">