Moving Cloud in css

#Clouds {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  height: 30%;
  overflow: hidden;
  -webkit-animation: FadeIn 3s ease-out;
          animation: FadeIn 3s ease-out;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}
@-webkit-keyframes FadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes FadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.Cloud {
  position: absolute;
  width: 100%;
  background-repeat: no-repeat;
  background-size: auto 100%;
  height: 70px;
  -webkit-animation-duration: 120s;
          animation-duration: 120s;
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  -webkit-animation-name: Float, FadeFloat;
          animation-name: Float, FadeFloat;
  z-index: 1;
}
.Cloud.Foreground {
  height: 10%;
  min-height: 20px;
  z-index: 3;
}
.Cloud.Background {
  height: 9.09090909%;
  min-height: 8px;
  -webkit-animation-duration: 210s;
          animation-duration: 210s;
}
@-webkit-keyframes Float {
  from {
    -webkit-transform: translateX(100%) translateZ(0);
            transform: translateX(100%) translateZ(0);
  }
  to {
    -webkit-transform: translateX(-15%) translateZ(0);
            transform: translateX(-15%) translateZ(0);
  }
}
@keyframes Float {
  from {
    -webkit-transform: translateX(100%) translateZ(0);
            transform: translateX(100%) translateZ(0);
  }
  to {
    -webkit-transform: translateX(-15%) translateZ(0);
            transform: translateX(-15%) translateZ(0);
  }
}
/*
@keyframes Float {
  from { transform: translateX(100%) translateY(-100%) translateZ(0); }
  50% { transform: translateX(55%) translateY(0) translateZ(0); }
  to { transform: translateX(-5%) translateY(-100%) translateZ(0); }
}
*/
@-webkit-keyframes FadeFloat {
  0%,
  100% {
    opacity: 0;
  }
  5%,
  90% {
    opacity: 1;
  }
}
@keyframes FadeFloat {
  0%,
  100% {
    opacity: 0;
  }
  5%,
  90% {
    opacity: 1;
  }
}
.Cloud:nth-child(10) {
  -webkit-animation-delay: -184.61538462s;
          animation-delay: -184.61538462s;
  top: 60%;
}
.Cloud.Foreground:nth-child(10) {
  -webkit-animation-duration: 80s;
          animation-duration: 80s;
  height: 35%;
}
.Cloud.Background:nth-child(10) {
  -webkit-animation-duration: 110s;
          animation-duration: 110s;
  height: -3.40909091%;
}
.Cloud:nth-child(9) {
  -webkit-animation-delay: -166.15384615s;
          animation-delay: -166.15384615s;
  top: 54%;
}
.Cloud.Foreground:nth-child(9) {
  -webkit-animation-duration: 84s;
          animation-duration: 84s;
  height: 32.5%;
}
.Cloud.Background:nth-child(9) {
  -webkit-animation-duration: 114s;
          animation-duration: 114s;
  height: -2.15909091%;
}
.Cloud:nth-child(8) {
  -webkit-animation-delay: -147.69230769s;
          animation-delay: -147.69230769s;
  top: 48%;
}
.Cloud.Foreground:nth-child(8) {
  -webkit-animation-duration: 88s;
          animation-duration: 88s;
  height: 30%;
}
.Cloud.Background:nth-child(8) {
  -webkit-animation-duration: 118s;
          animation-duration: 118s;
  height: -0.90909091%;
}
.Cloud:nth-child(7) {
  -webkit-animation-delay: -129.23076923s;
          animation-delay: -129.23076923s;
  top: 42%;
}
.Cloud.Foreground:nth-child(7) {
  -webkit-animation-duration: 92s;
          animation-duration: 92s;
  height: 27.5%;
}
.Cloud.Background:nth-child(7) {
  -webkit-animation-duration: 122s;
          animation-duration: 122s;
  height: 0.34090909%;
}
.Cloud:nth-child(6) {
  -webkit-animation-delay: -110.76923077s;
          animation-delay: -110.76923077s;
  top: 36%;
}
.Cloud.Foreground:nth-child(6) {
  -webkit-animation-duration: 96s;
          animation-duration: 96s;
  height: 25%;
}
.Cloud.Background:nth-child(6) {
  -webkit-animation-duration: 126s;
          animation-duration: 126s;
  height: 1.59090909%;
}
.Cloud:nth-child(5) {
  -webkit-animation-delay: -92.30769231s;
          animation-delay: -92.30769231s;
  top: 30%;
}
.Cloud.Foreground:nth-child(5) {
  -webkit-animation-duration: 100s;
          animation-duration: 100s;
  height: 22.5%;
}
.Cloud.Background:nth-child(5) {
  -webkit-animation-duration: 130s;
          animation-duration: 130s;
  height: 2.84090909%;
}
.Cloud:nth-child(4) {
  -webkit-animation-delay: -73.84615385s;
          animation-delay: -73.84615385s;
  top: 24%;
}
.Cloud.Foreground:nth-child(4) {
  -webkit-animation-duration: 104s;
          animation-duration: 104s;
  height: 20%;
}
.Cloud.Background:nth-child(4) {
  -webkit-animation-duration: 134s;
          animation-duration: 134s;
  height: 4.09090909%;
}
.Cloud:nth-child(3) {
  -webkit-animation-delay: -55.38461538s;
          animation-delay: -55.38461538s;
  top: 18%;
}
.Cloud.Foreground:nth-child(3) {
  -webkit-animation-duration: 108s;
          animation-duration: 108s;
  height: 17.5%;
}
.Cloud.Background:nth-child(3) {
  -webkit-animation-duration: 138s;
          animation-duration: 138s;
  height: 5.34090909%;
}
.Cloud:nth-child(2) {
  -webkit-animation-delay: -36.92307692s;
          animation-delay: -36.92307692s;
  top: 12%;
}
.Cloud.Foreground:nth-child(2) {
  -webkit-animation-duration: 112s;
          animation-duration: 112s;
  height: 15%;
}
.Cloud.Background:nth-child(2) {
  -webkit-animation-duration: 142s;
          animation-duration: 142s;
  height: 6.59090909%;
}
.Cloud:nth-child(1) {
  -webkit-animation-delay: -18.46153846s;
          animation-delay: -18.46153846s;
  top: 6%;
}
.Cloud.Foreground:nth-child(1) {
  -webkit-animation-duration: 116s;
          animation-duration: 116s;
  height: 12.5%;
}
.Cloud.Background:nth-child(1) {
  -webkit-animation-duration: 146s;
          animation-duration: 146s;
  height: 7.84090909%;
}


.Cloud {
  background-image: url(data:image/png;base64,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);
}
.Cloud.Background {
  background-image: url(data:image/png;base64,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);
}





html,
body {
  margin: 0;
  padding: 0;
}
html {
  height: 100%;
}
body {
  min-height: 100%;
}



body {
  color: #FFF;
  background-color: #FD940A;
  background: rgba(155,204,230,1);
background: -moz-linear-gradient(left, rgba(155,204,230,1) 0%, rgba(225,233,155,1) 50%, rgba(225,233,155,1) 51%, rgba(155,204,230,1) 100%);
background: -webkit-gradient(left top, right top, color-stop(0%, rgba(155,204,230,1)), color-stop(50%, rgba(225,233,155,1)), color-stop(51%, rgba(225,233,155,1)), color-stop(100%, rgba(155,204,230,1)));
background: -webkit-linear-gradient(left, rgba(155,204,230,1) 0%, rgba(225,233,155,1) 50%, rgba(225,233,155,1) 51%, rgba(155,204,230,1) 100%);
background: -o-linear-gradient(left, rgba(155,204,230,1) 0%, rgba(225,233,155,1) 50%, rgba(225,233,155,1) 51%, rgba(155,204,230,1) 100%);
background: -ms-linear-gradient(left, rgba(155,204,230,1) 0%, rgba(225,233,155,1) 50%, rgba(225,233,155,1) 51%, rgba(155,204,230,1) 100%);
background: linear-gradient(to right, rgba(155,204,230,1) 0%, rgba(225,233,155,1) 50%, rgba(225,233,155,1) 51%, rgba(155,204,230,1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9bcce6', endColorstr='#9bcce6', GradientType=1 );
}







  <div id="Clouds">
  <div class="Cloud Foreground"></div>
  <div class="Cloud Background"></div>
  <div class="Cloud Foreground"></div>
  <div class="Cloud Background"></div>
  <div class="Cloud Foreground"></div>
  <div class="Cloud Background"></div>
  <div class="Cloud Background"></div>
  <div class="Cloud Foreground"></div>
  <div class="Cloud Background"></div>
  <div class="Cloud Background"></div>
<!--  <svg viewBox="0 0 40 24" class="Cloud"><use xlink:href="#Cloud"></use></svg>-->
</div>

<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 width="40px" height="24px" viewBox="0 0 40 24" enable- xml:space="preserve">
  <defs>
    <path id="Cloud" d="M33.85,14.388c-0.176,0-0.343,0.034-0.513,0.054c0.184-0.587,0.279-1.208,0.279-1.853c0-3.463-2.809-6.271-6.272-6.271
	c-0.38,0-0.752,0.039-1.113,0.104C24.874,2.677,21.293,0,17.083,0c-5.379,0-9.739,4.361-9.739,9.738
	c0,0.418,0.035,0.826,0.084,1.229c-0.375-0.069-0.761-0.11-1.155-0.11C2.811,10.856,0,13.665,0,17.126
	c0,3.467,2.811,6.275,6.272,6.275c0.214,0,27.156,0.109,27.577,0.109c2.519,0,4.56-2.043,4.56-4.562
	C38.409,16.43,36.368,14.388,33.85,14.388z"/>
  </defs>
</svg>