css实现流星划过的效果

     /* 开始 */
body {
   
  background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
  height: 100vh;
  overflow: hidden;
  display: flex;
  font-family: 'Anton', sans-serif;
  justify-content: center;
  align-items: center;
}

.night {
   
  position: fixed;
  left:0;
  top: 0;
  width: 100vw;
  height: 100vh;
  -webkit-transform: rotateZ(45deg);
          transform: rotateZ(45deg);
  -webkit-animation: sky 200000ms linear infinite;
          animation: sky 200000ms linear infinite;
}

.shooting_star {
   
  position: absolute;
  left: 10%;
  top: 50%;
  height: 2px;
  background: linear-gradient(-45deg, #5f91ff, rgba(0, 0, 255, 0));
  border-radius: 999px;
  -webkit-filter: drop-shadow(0 0 6px #699bff);
          filter: drop-shadow(0 0 6px #699bff);
  -webkit-animation: tail 3000ms ease-in-out infinite, shooting 3000ms ease-in-out infinite;
          animation: tail 3000ms ease-in-out infinite, shooting 3000ms ease-in-out infinite;
}
.shooting_star::before, .shooting_star::after {
   
  content: '';
  position: absolute;
  top: calc(50% - 1px);
  right: 0;
  height: 2px;
  background: linear-gradient(-45deg, rgba(0, 0, 255, 0), #5f91ff, rgba(0, 0, 255, 0));
  -webkit-transform: translateX(50%) rotateZ(45deg);
          transform: translateX(50%) rotateZ(45deg);
  border-radius: 100%;
  -webkit-animation: shining 3000ms ease-in-out infinite;
          animation: shining 3000ms ease-in-out infinite;
}
.shooting_star::after {
   
  -webkit-transform: translateX(50%) rotateZ(-45deg);
          transform: translateX(50%) rotateZ(-45deg);
}
.shooting_star:nth-child(1) {
   
  top: calc(10% - 185px);
  left: calc(10% - 150px);
  -webkit-animation-delay: 8971ms;
          animation-delay: 8971ms;
}
.shooting_star:nth-child(1)::before, .shooting_star:nth-child(1)::after, .shooting_star:nth-child(1)::after {
   
  -webkit-animation-delay: 8971ms;
          animation-delay: 8971ms;
}
.shooting_star:nth-child(2) {
   
  top: calc(15% - 50px);
  left: calc(15% - 179px);
  -webkit-animation-delay: 9256ms;
          animation-delay: 9256ms;
}
.shooting_star:nth-child(2)::before, .shooting_star:nth-child(2)::after, .shooting_star:nth-child(2)::after {
   
  -webkit-animation-delay: 9256ms;
          animation-delay: 9256ms;
}
.shoot