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CSS Unused CSS Stages CSS Animations Full-Page Animation Project 2: WebKit Only

Challenge Task 1 of 2

Using the prefix for WebKit-based browsers, bind the bg-move animation to the body selector. Give it an 8 second duration, then set it so that the final keyframe continues to apply after the animation sequence has completed.

<!DOCTYPE html>
    <title>CSS Animations</title>
    <link rel="stylesheet" href="page.css">
    <link rel="stylesheet" href="style.css">
    <div class="boat">
        <img class="steam" src="http://treehouse-code-samples.s3.amazonaws.com/CSS-DD/codepen/stage-12/steam.png" alt="steam">
        <img src="http://treehouse-code-samples.s3.amazonaws.com/CSS-DD/codepen/stage-12/boat.png" alt="tugboat">
    <img class="mike" src="http://treehouse-code-samples.s3.amazonaws.com/CSS-DD/codepen/stage-12/mike.png">
/* Complete the challenge by writing CSS below */

body {

.mike {

.boat {
    -webkit-animation: rock-boat 3s ease infinite;
.steam {
    -webkit-animation: steam 4s 2s infinite;

/*  Keyframes - WebKit only
------------------------------------------ */

@-webkit-keyframes rock-boat {
    50%  { -webkit-transform: rotate(-5deg) translateY(-10px); }
@-webkit-keyframes steam {
    60%  { opacity: 1; }
    100% { -webkit-transform: translate(-15%, -35%) rotateZ(20deg); }
@-webkit-keyframes bg-move {
    0%   { background-position:  100% -220px; }
    100% { background-position: -350% -220px; }
@-webkit-keyframes mike-float {
    50% { -webkit-transform: rotateZ(5deg) translateY(-5px); }

2 Answers

Hi Angeline,

Try something like this:

body {
  -webkit-animation: bg-move 8s forwards infinite;

Here's the information on fill mode from w3schools.


body { -webkit-animation: bg-move 8s forwards infinite; }