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How to create Shooting Star Animation Effect using CSS ?

  • Last Updated : 08 Oct, 2021

The Shooting Star effect is one of the coolest background effects that is used for dark-themed websites. Shooting Stars Animation is an extraordinary illustration of a loading screen that grabs your eye for a considerable length of time for the remainder of the content to load on the website. This effect can be used in page loader, UI.

Approach: The methodology is to make little roundabout and align their motion in 45 degrees using CSS properties like webkit-transform and transform and afterward adding animations for the tail of star and head of star(shining part) using @keyframes and @-webkit-keyframes property and now add delays for shooting effects. Essential information on these three properties is essential for going any further in this article.

HTML Code:  In this section, we will create a basic design of the web page.

HTML




<!DOCTYPE html>
<html>
  
<head>
    <title>Shooting Star Animation</title>
</head>
  
<body>
    <div class="sky">
  
        <!-- We are making divisions, every div.
        represent a single roundabout balls -->
        <div class="star"></div>
        <div class="star"></div>
        <div class="star"></div>
        <div class="star"></div>
        <div class="star"></div>
        <div class="star"></div>
        <div class="star"></div>
    </div>
</body>
  
</html>

CSS Code: For CSS, follow the given below steps:

  • Align the division components as per your requirement.
  • Give them a circular shape using border-radius property.
  • Use keyframes to animate the balls by increasing the scale. There is no fixed way of doing this you can change the scale on different frames as you like.
  • Use n-th child property to apply some delay between the animation of each element.

CSS




body {
  height: 100vh;
  overflow: hidden;
  opacity: 0.5;
  background-color: black;
  display: -webkit-box;
  display: flex;
}
  
/* Here using -webkit, we make angle 
of 45 degree of falling star */
.sky {
  position: relative;
  width: 100%;
  height: 100%;
  -webkit-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
}
  
/* Here we are making roundabout balls  */
.star {
  position: absolute;
  left: 50%;
  top: 50%;
  height: 2px;
  border-radius: 885px;
  background: linear-gradient(-45deg, 
    #eef0f5, rgba(0, 0, 255, 0));
  
  -webkit-filter: drop-shadow(0 0 6px #eef1f8);
  filter: drop-shadow(0 0 6px #d7dff0);
  -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;
}
  
/* Here we add before and after effect to star */
.star::before,
.star::after {
  content: "";
  position: absolute;
  top: calc(50% - 1px);
  right: 0;
  height: 2px;
  background: linear-gradient(
    -45deg,
    rgba(0, 0, 255, 0),
    #eaeef8,
    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;
}
.star::after {
  -webkit-transform: translateX(50%) rotateZ(-45deg);
  transform: translateX(50%) rotateZ(-45deg);
}
  
/* Here we are adding location of each 
   nth-child, animations, delays, and 
   before and after effects to each 
   and every balls(stars) */
.star:nth-child(1) {
  top: calc(50% - -119px);
  left: calc(50% - 43px);
  -webkit-animation-delay: 4000ms;
  animation-delay: 4000ms;
}
.star:nth-child(1)::before,
.star:nth-child(1)::after {
  -webkit-animation-delay: 4000ms;
  animation-delay: 4000ms;
}
.star:nth-child(2) {
  top: calc(50% - -43px);
  left: calc(50% - 37px);
  -webkit-animation-delay: 5000ms;
  animation-delay: 5000ms;
}
.star:nth-child(2)::before,
.star:nth-child(2)::after {
  -webkit-animation-delay: 5000ms;
  animation-delay: 5000ms;
}
.star:nth-child(3) {
  top: calc(50% - -40px);
  left: calc(50% - 222px);
  -webkit-animation-delay: 7000ms;
  animation-delay: 7000ms;
}
.star:nth-child(3)::before,
.star:nth-child(3)::after {
  -webkit-animation-delay: 7000ms;
  animation-delay: 7000ms;
}
.star:nth-child(4) {
  top: calc(50% - -29px);
  left: calc(50% - 113px);
  -webkit-animation-delay: 7000ms;
  animation-delay: 7000ms;
}
.star:nth-child(4)::before,
.star:nth-child(4)::after {
  -webkit-animation-delay: 7000ms;
  animation-delay: 7000ms;
}
.star:nth-child(5) {
  top: calc(50% - 146px);
  left: calc(50% - 112px);
  -webkit-animation-delay: 3000ms;
  animation-delay: 3000ms;
}
.star:nth-child(5)::before,
.star:nth-child(5)::after {
  -webkit-animation-delay: 3000ms;
  animation-delay: 3000ms;
}
.star:nth-child(6) {
  top: calc(50% - -108px);
  left: calc(50% - 160px);
  -webkit-animation-delay: 3000ms;
  animation-delay: 3000ms;
}
.star:nth-child(6)::before,
.star:nth-child(6)::after {
  -webkit-animation-delay: 3000ms;
  animation-delay: 3000ms;
}
.star:nth-child(7) {
  top: calc(50% - 52px);
  left: calc(50% - 72px);
  -webkit-animation-delay: 7000ms;
  animation-delay: 7000ms;
}
.star:nth-child(7)::before,
.star:nth-child(7)::after {
  -webkit-animation-delay: 7000ms;
  animation-delay: 7000ms;
}
  
/* This code will help to generate 
effect in tail of star */
@keyframes tail {
  0% {
    width: 0;
  }
  30% {
    width: 100px;
  }
  100% {
    width: 0;
  }
}
  
/* This code will generate shining 
effect in head of star */
@keyframes shining {
  0% {
    width: 0;
  }
  50% {
    width: 30px;
  }
  100% {
    width: 0;
  }
}
  
/* Here we are adding webkit-animation 
to head of star for shining */
@-webkit-keyframes shining {
  0% {
    width: 0;
  }
  50% {
    width: 30px;
  }
  100% {
    width: 0;
  }
}
  
/* Here we are adding webkit-animation 
to tail of star */
@-webkit-keyframes tail {
  0% {
    width: 0;
  }
  30% {
    width: 100px;
  }
  100% {
    width: 0;
  }
}
  
/* Here we are adding webkit-animation 
for shooting effect */
@-webkit-keyframes shooting {
  0% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  100% {
    -webkit-transform: translateX(270px);
    transform: translateX(270px);
  }
}
  
/* Here we make shooting effect */
@keyframes shooting {
  0% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  100% {
    -webkit-transform: translateX(270px);
    transform: translateX(270px);
  }
}

After combining the above two sections of code i.e. HTML and CSS code to get the desired output.

Output: 


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