Create Movement Using CSS Animation offset properties

Create Movement Using CSS Animation offset properties
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#1

I don’t know what is wrong, help please

My coder


<style>
  div {
    height: 40px;
    width: 70%;
    background: black;
    margin: 50px auto;
    border-radius: 5px;
    position: relative;
  }

#rect {
  animation-name: rainbow;
  animation-duration: 4s;
}

@keyframes rainbow {
  0% {
    background-color: blue;
    top: 0px;
    left:0px;
    
  }
  50% {
    background-color: green;
    top: 25px;
    left: 25px;
    
  }
  100% {
    background-color: yellow;
    top: -25px;
    left: -25px;
    
  }
}
</style>

<div id="rect"></div>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/responsive-web-design/applied-visual-design/create-movement-using-css-animation


#2

I think it should work when you group the element selector and the id selector like this div#rect.


#3

Hey man, you forget to leave the top properties the same. So 0px, 50 px and 0px. Just change the left offset properties.


#4
@keyframes rainbow {
  0% {
    background-color: blue;
    top: 0px;
    left:0px;
    
  }
  50% {
    background-color: green;
    top: 50px;
    left:25px;
    
  }
  100% {
    background-color: yellow;
    top: 0px;
    left:-25px;
    
  }
}

we need to just add left property to the existing ‘@keyframes’, example as above code