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CSS

Posted by Kelvin Atawura
.a{fill-rule:evenodd;}techdegree
Kelvin Atawura
Front End Web Development Techdegree Student 19,022 Points

how can l keep the boat going forward without any jump in keyframe?

l want to keep my boat moving infinitely and not stop. this is my code below but dont seem to work. any help would be great. thanks guys 

body {
  background: #F0FCFF url('http://treehouse-code-samples.s3.amazonaws.com/CSS-DD/codepen/stage-12/island.png') repeat-x 100% -460px;
  background-size: 760px;
}
.boat {
  width: 100px;
  position: absolute;
  top: 40%;
  left: 35%;
}

.boat img {
  width 100%;
}
.boat::after {
  content: "";
  display: block;
  width:120px;
  height: 120px;
  background: url('http://treehouse-code-samples.s3.amazonaws.com/CSS-DD/codepen/stage-12/steam.png') no-repeat;
  background-size: 120px;
  position: absolute;
  top: -25%;
  left: 5%;
  opacity: 0;
}

/*  Animations - WebKit only
------------------------------------------ */

body {
    -webkit-animation: bg-move 8s ease-out forwards;
}
.boat {
    -webkit-animation: rock-boat 3s ease-in-out infinite;
}
.boat::after {
    -webkit-animation: steam 4s 2s infinite;
}


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

@-webkit-keyframes rock-boat {
    50%  { -webkit-transform: rotate(-5deg) translateY(-10px); }
}

@-webkit-keyframes steam {
    40%,
    60%  { opacity: 1; }
    100% { -webkit-transform: translate(-15%, -35%) rotateZ(20deg); }
}

@-webkit-keyframes bg-move {
    0%   { background-position:  100% -560px; }
    100% { background-position: -8000px -460px; }
}