CodePen Embed - Drifting Clouds

<div class="cloudPane">
            <div class="stars">
                <div class="star" id="star1"></div>
                <div class="star"></div>
                <div class="star" id="star2"></div>
                <div class="star"></div>
                <div class="star" id="star3"></div>
                <div class="star"></div>
                <div class="star" id="star4"></div>
                <div class="star"></div>  
                <div class="star" id="star5"></div>
                <div class="star"></div>  
                <div class="star" id="star6"></div>
                <div class="star"></div>  
                <div class="star" id="star7"></div>
                <div class="star"></div>  
                <div class="star" id="star8"></div>
                <div class="star"></div>  
                <div class="star" id="star9"></div>
                <div class="star"></div>  
                <div class="star" id="star10"></div>
                 <div class="star"></div> 
                <div class="star" id="star11"></div>
                 <div class="star"></div> 
            </div>
  
            <div class="bigCloud" id="cloud1">
                <div class="largeCircle" id="circ1">
                     
                    <div class="largeCircle" id="circ1shadow"></div>
                </div>
                <div class="middleCircle" id="circ2">
                    <div class="middleCircle" id="circ2shadow"></div>
                </div>
                <div class="middleCircle" id="circ3">
                    <div class="middleCircle" id="circ3shadow"></div>
                </div>
                <div class="smallCircle" id="circ4"></div>
                <div class="smallCircle" id="circ5">
                    <div class="smallCircle" id="circ5shadow"></div>
                </div>
                <div class="smallCircle" id="circ6">
                    <div class="smallCircle" id="circ6shadow"></div>
                </div>
            </div>
            <div class="bigCloud" id="cloud2">
                <div class="largeCircle" id="circ1">
                    <div class="largeCircle" id="circ1shadow"></div>
                </div>
                <div class="middleCircle" id="circ2">
                    <div class="middleCircle" id="circ2shadow"></div>
                </div>
                <div class="middleCircle" id="circ3">
                    <div class="middleCircle" id="circ3shadow"></div>
                </div>
                <div class="smallCircle" id="circ4"></div>
                <div class="smallCircle" id="circ5">
                    <div class="smallCircle" id="circ5shadow"></div>
                </div>
                <div class="smallCircle" id="circ6">
                    <div class="smallCircle" id="circ6shadow"></div>
                </div>
            </div>
  
            <div class="bigCloud" id="cloud3">
                <div class="largeCircle" id="circ1">
                    <div class="largeCircle" id="circ1shadow"></div>
                </div>
                <div class="middleCircle" id="circ2">
                    <div class="middleCircle" id="circ2shadow"></div>
                </div>
                <div class="middleCircle" id="circ3">
                    <div class="middleCircle" id="circ3shadow"></div>
                </div>
                <div class="smallCircle" id="circ4"></div>
                <div class="smallCircle" id="circ5">
                    <div class="smallCircle" id="circ5shadow"></div>
                </div>
                <div class="smallCircle" id="circ6">
                    <div class="smallCircle" id="circ6shadow"></div>
                </div>
            </div>
  
            <div class="bigCloud" id="cloud4">
                <div class="largeCircle" id="circ1">
                    <div class="largeCircle" id="circ1shadow"></div>
                </div>
                <div class="middleCircle" id="circ2">
                    <div class="middleCircle" id="circ2shadow"></div>
                </div>
                <div class="middleCircle" id="circ3">
                    <div class="middleCircle" id="circ3shadow"></div>
                </div>
                <div class="smallCircle" id="circ4"></div>
                <div class="smallCircle" id="circ5">
                    <div class="smallCircle" id="circ5shadow"></div>
                </div>
                <div class="smallCircle" id="circ6">
                    <div class="smallCircle" id="circ6shadow"></div>
                </div>
            </div>
  
            <div class="bigCloud" id="cloud5">
                <div class="largeCircle" id="circ1">
                    <div class="largeCircle" id="circ1shadow"></div>
                </div>
                <div class="middleCircle" id="circ2">
                    <div class="middleCircle" id="circ2shadow"></div>
                </div>
                <div class="middleCircle" id="circ3">
                    <div class="middleCircle" id="circ3shadow"></div>
                </div>
                <div class="smallCircle" id="circ4"></div>
                <div class="smallCircle" id="circ5">
                    <div class="smallCircle" id="circ5shadow"></div>
                </div>
                <div class="smallCircle" id="circ6">
                    <div class="smallCircle" id="circ6shadow"></div>
                </div>
            </div>
  
            <div class="bigCloud" id="cloud6">
                <div class="largeCircle" id="circ1">
                    <div class="largeCircle" id="circ1shadow"></div>
                </div>
                <div class="middleCircle" id="circ2">
                    <div class="middleCircle" id="circ2shadow"></div>
                </div>
                <div class="middleCircle" id="circ3">
                    <div class="middleCircle" id="circ3shadow"></div>
                </div>
                <div class="smallCircle" id="circ4"></div>
                <div class="smallCircle" id="circ5">
                    <div class="smallCircle" id="circ5shadow"></div>
                </div>
                <div class="smallCircle" id="circ6">
                    <div class="smallCircle" id="circ6shadow"></div>
                </div>
            </div>
  
            <div class="bigCloud" id="cloud7">
                <div class="largeCircle" id="circ1">
                    <div class="largeCircle" id="circ1shadow"></div>
                </div>
                <div class="middleCircle" id="circ2">
                    <div class="middleCircle" id="circ2shadow"></div>
                </div>
                <div class="middleCircle" id="circ3">
                    <div class="middleCircle" id="circ3shadow"></div>
                </div>
                <div class="smallCircle" id="circ4"></div>
                <div class="smallCircle" id="circ5">
                    <div class="smallCircle" id="circ5shadow"></div>
                </div>
                <div class="smallCircle" id="circ6">
                    <div class="smallCircle" id="circ6shadow"></div>
                </div>
            </div>
</div>

html, body {
    min-height: 100%;

}
body {
    width: 100%;
    height:100%;
    padding: 0;
    margin: 0;
}
.cloudPane {
  margin: 0 auto;
}
/*main divs*/
.infoPane {
    width: 1200px;
    height: 3000px;
    margin: 0 auto;
    position: relative;
    background: white;
    box-shadow: 0px 0px 20px 5px rgba(0, 0, 0, .3);
    overflow: hidden;
    z-index: -5;
}
.cloudPane {
    width:100%;
    height: 400px;
    /* border-color: rgba(0,0,0,.3);
    border-width: 2px;
    border-style: solid; */
    background: -webkit-linear-gradient(#4A4A4A, #738185, #B3DAE6, white);
    background: -moz-linear-gradient(#4A4A4A, #738185, #B3DAE6, white);
    background: linear-gradient(#4A4A4A, #738185, #B3DAE6, white);
    z-index: -4;
}

/*cloud position*/
 #cloud1 {
    opacity: .9;
    top:50px;
    left: 120%;
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    transform: scale(1.2);
    -moz-animation: drift 25s;
    -moz-animation-timing-function: linear;
    -moz-animation-iteration-count: infinite;
    -moz-animation-delay: 8s;
    -webkit-animation: drift 25s;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-delay: 8s;
    animation: drift 25s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-delay: 8s;
    z-index:2;
}
#circ1 p {
    color: #B3DAE6;
    font-size: 40px;
    font-family: helvetica;
    position: absolute;
    top: 5px;
    left: -10px;
}
#cloud2 {
    opacity: .8;
    top:40px;
    left: 120%;
    -webkit-transform: scale(.7);
    -moz-transform: scale(.7);
    transform: scale(.7);
    -moz-animation: drift 50s;
    -moz-animation-timing-function: linear;
    -moz-animation-iteration-count: infinite;
    -webkit-animation: drift 50s;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    animation: drift 50s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    z-index: 1;
}
#cloud3 {
    opacity: 0;
    top:20px;
    left: 50%;
    -webkit-transform: scale(.35);
    -moz-transform: scale(.35);
    transform: scale(.35);
    -moz-animation: driftBg 70s;
    -moz-animation-timing-function: linear;
    -webkit-animation: driftBg 70s;
    -webkit-animation-timing-function: linear;
    animation: driftBg 70s;
    animation-timing-function: linear;
    z-index: 0;
}
#cloud4 {
    opacity: 0;
    top:50px;
    left: 20%;
    -webkit-transform: scale(.40, .45);
    -moz-transform: scale(.40, .45);
    transform: scale(.40, .45);
    -moz-animation: driftBg2 60s;
    -moz-animation-timing-function: linear;
    -webkit-animation: driftBg2 60s;
    -webkit-animation-timing-function: linear;
    animation: driftBg2 60s;
    animation-timing-function: linear;
    z-index: 0;
}
#cloud5 {
    opacity: 0;
    top:220px;
    left: 90%;
    -webkit-transform: scale(.40);
    -moz-transform: scale(.40);
    transform: scale(.40);
    -moz-animation: driftBg3 90s;
    -moz-animation-timing-function: linear;
    -webkit-animation: driftBg3 90s;
    -webkit-animation-timing-function: linear;
    animation: driftBg3 90s;
    animation-timing-function: linear;
    z-index: 0;
}
#cloud6 {
    opacity: .7;
    top:60px;
    left: 120%;
    -webkit-transform: scale(.40);
    -moz-transform: scale(.40);
    transform: scale(.40);
    -moz-animation: drift 110s;
    -moz-animation-timing-function: linear;
    -mox-animation-iteration-count: infinite;
    -moz-animation-delay: 11s;
    -webkit-animation: drift 110s;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-delay: 11;
    animation: drift 110s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-delay: 11;
    z-index: 0;
}
#cloud7 {
    opacity: .8;
    top:95px;
    left: 120%;
    -webkit-transform: scale(.7);
    -moz-transform: scale(.7);
    transform: scale(.7);
    -moz-animation: drift 45s;
    -moz-animation-timing-function: linear;
    -mox-animation-iteration-count: infinite;
    -moz-animation-delay: 35s;
    -webkit-animation: drift 45s;
    -webkit-animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-delay: 35s;
    animation: drift 45s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-delay: 35s;
    z-index: 1;
}
/*individual circle position*/
 #circ1 {
    z-index: 1;
}
#circ2 {
    top: 50px;
    left: -40px;
}
#circ3 {
    top: 50px;
    left: -120px;
}
#circ4 {
    top: 30px;
    left: -60px;
}
#circ5 {
    top: 100px;
    left: -150px;
}
#circ6 {
    top: 100px;
    left: 130px;
}
/*circle shadows*/
#circ1shadow, #circ2shadow, #circ3shadow, #circ5shadow, #circ6shadow {
    background-repeat: no-repeat;
    position: absolute;
    z-index:2;
    -webkit-transform: scale(.9, -.9);
    -mox-transform: scale(.9, -.9);
    transform: scale(.9, -.9);

}
#circ1shadow {
    background: -webkit-radial-gradient(48% 64%, circle, rgba(204, 0, 0, 0) 110px, #9BBBC4 50px);
    background: -moz-radial-gradient(48% 64%, circle, rgba(204, 0, 0, 0) 110px, #9BBBC4 50px);
    background: radial-gradient(48% 64%, circle, rgba(204, 0, 0, 0) 110px, #9BBBC4 50px);
    top: 2px;
    z-index:3;
}
#circ2shadow {
    background: -webkit-radial-gradient(58% 61%, circle, rgba(204, 0, 0, 0) 82px, #9BBBC4 50px);
    background: -moz-radial-gradient(58% 61%, circle, rgba(204, 0, 0, 0) 82px, #9BBBC4 50px);
    background: radial-gradient(58% 61%, circle, rgba(204, 0, 0, 0) 82px, #9BBBC4 50px);
    top: 0px;
}
#circ3shadow {
    background: -webkit-radial-gradient(54% 60%, circle, rgba(204, 0, 0, 0) 80px, #9BBBC4 50px);
    background: -moz-radial-gradient(54% 60%, circle, rgba(204, 0, 0, 0) 80px, #9BBBC4 50px);
    background: radial-gradient(54% 60%, circle, rgba(204, 0, 0, 0) 80px, #9BBBC4 50px);
    top: 8px;
    -webkit-transform: scale(.8, -.8);
    -moz-transform: scale(.8, -.8);
    transform: scale(.8, -.8);
}
#circ5shadow {
    background: -webkit-radial-gradient(57% 61%, circle, rgba(204, 0, 0, 0) 53px, #9BBBC4 40px);
    background: -moz-radial-gradient(57% 61%, circle, rgba(204, 0, 0, 0) 53px, #9BBBC4 40px);
    background: radial-gradient(57% 61%, circle, rgba(204, 0, 0, 0) 53px, #9BBBC4 40px);
    top: 0px;
}
#circ6shadow {
    background: -webkit-radial-gradient(44% 65%, circle, rgba(204, 0, 0, 0) 53px, #9BBBC4 40px);
    background: -moz-radial-gradient(44% 65%, circle, rgba(204, 0, 0, 0) 53px, #9BBBC4 40px);
    background: radial-gradient(44% 65%, circle, rgba(204, 0, 0, 0) 53px, #9BBBC4 40px);
    top: 0px;
}
/*style the clouds*/
 .bigCloud {
    box-shadow: 10px 10px 5px 20px black inset;
    position: absolute;
}
/*style circles that make up clouds*/
 .smallCircle {
    height: 100px;
    width: 100px;
    background: white;
    border-radius: 100%;
    position: absolute;
}
.middleCircle {
    height: 150px;
    width: 150px;
    background: white;
    border-radius: 100%;
    position: absolute;
}
.largeCircle {
    height: 200px;
    width: 200px;
    background: white;
    border-radius: 100%;
    position: absolute;
}
/*Circle shadows*/

/*#circShadow1 {
    background: grey;
    border-radius: 30px 20px 500px 20px;
    
    -webkit-transform: rotate(45deg);
    z-index:2;
}*/

/*stars*/
 .star {
    height:3px;
    width: 3px;
    background: white;
    position: absolute;
    z-index:0;
}
#star1 {
    top: 20px;
    left: 20%;
}
#star1 + .star {
  top: 20px;
  left: 70%;
}
#star2 {
    top: 80px;
    left: 4%;
}
#star2 + .star {
    top: 80px;
    left: 75%;
}
#star3 {
    top:150px;
    left: 3%;
}
#star3 + .star {
    top:150px;
    left: 90%;
}
#star4 {
    top:100px;
    left: 7%;
}
#star4 + .star {
    top:100px;
    left: 78%;
}
#star5 {
    top:130px;
    left:13%;
}
#star5 + .star {
    top:130px;
    left: 60%;
}
#star6 {
    height: 5px;
    width: 5px;
    top:50px;
    left: 18%;
}
#star6 + .star {
    height: 5px;
    width: 5px;
    top:50px;
    left: 92%;
}
#star7 {
    top:35px;
    left: 27%;
}
#star7 + .star {
    top:35px;
    left: 79%;
}
#star8 {
    top:35px;
    left: 900px;
}
#star8 + .star{
    top:35px;
    left: 88%;
}
#star9 {
    height: 4px;
    width: 4px;
    top:50px;
    left: 45%;
}
#star9 + .star {
    height: 4px;
    width: 4px;
    top:50px;
    left: 97%;
}
#star10 {
    top:100px;
    left: 44%;
}
#star10 + .star{
    top:100px;
    left: 83%;
}
#star11 {
    top:75px;
    left: 37%;
}
#star11 + .star{
    top:75px;
    left: 66%;
}

@-webkit-keyframes drift {
    from {
        left: 120%;
    }
    to {
        left: -25%;
    }
}
@-moz-keyframes drift {
    from {
        left: 120%;
    }
    to {
        left: -25%;
    }
}
@keyframes drift {
    from {
        left: 120%;
    }
    to {
        left: -25%;
    }
}
@-webkit-keyframes driftBg {
    0% {
        left: 50%;
        opacity: 0
    }
    3% {
        left: 48%;
        opacity: .7
    }
    100% {
        left: -25%;
        opacity: .7;
    }
}
@-moz-keyframes driftBg {
    0% {
        left: 50%;
        opacity: 0
    }
    3% {
        left: 48%;
        opacity: .7
    }
    100% {
        left: -25%;
        opacity: .7;
    }
}
@keyframes driftBg {
    0% {
        left: 50%;
        opacity: 0
    }
    3% {
        left: 48%;
        opacity: .7
    }
    100% {
        left: -25%;
        opacity: .7;
    }
}
@-webkit-keyframes driftBg2 {
    0% {
        left: 20%;
        opacity: 0
    }
    3% {
        left: 19%;
        opacity: .7
    }
    100% {
        left: -25%;
        opacity: .7;
    }
}
@-moz-keyframes driftBg2 {
    0% {
        left: 20%;
        opacity: 0
    }
    3% {
        left: 19%;
        opacity: .7
    }
    100% {
        left: -25%;
        opacity: .7;
    }
}
@keyframes driftBg2 {
    0% {
        left: 20%;
        opacity: 0
    }
    3% {
        left: 19%;
        opacity: .7
    }
    100% {
        left: -25%;
        opacity: .7;
    }
}
@-webkit-keyframes driftBg3 {
    0% {
        left: 90%;
        opacity: 0
    }
    2% {
        left: 88%;
        opacity: .65
    }
    100% {
        left: -25%;
        opacity: .65;
    }
}
@-moz-keyframes driftBg3 {
    0% {
        left: 90%;
        opacity: 0
    }
    2% {
        left: 88%;
        opacity: .65
    }
    100% {
        left: -25%;
        opacity: .65;
    }
}
@keyframes driftBg3 {
    0% {
        left: 90%;
        opacity: 0
    }
    2% {
        left: 88%;
        opacity: .65
    }
    100% {
        left: -25%;
        opacity: .65;
    }
}
.textBody {
    height: 100%;
    width: 1200px;
    padding: 15px 15px 15px 15px;
}
.leftText {
    width: 800px;
    top: 600px;
    position: absolute;
    margin-left: 20px;

    /*border-style: solid;
    border-width: 2px;
    border-color: black;*/
}
.leftText h2 {
    font-family:"Century Gothic";
    letter-spacing: -2px;
    font-size: 40px;
    font-weight: normal;
    margin-left: 20px;
}
.leftText p {
    font-family:"arial";
    font-size: 15px;
    font-weight: normal;
    line-height: 30px;
    text-align: center;
    z-index: 5;
}
.rightText {
    width: 300px;
    height: auto;
    position: relative;
    left: 875px; top: 200px;
    /*border-style: solid;
    border-width: 2px;
    border-color: black;*/
}

.rightText h4 {
    font-family:"Century Gothic";
    font-size: 20px;
    font-weight: normal;
    margin-left: 20px;
}
.rightText p {
    font-family:"arial";
    font-size: 12px;
    font-weight: normal;
    line-height: 20px;
    text-align: left;
    margin: 30px;
}
/*put animated cloud shadows at the bottom of the page*/

This Pen is owned by Fernando Forero on CodePen.

See more by @Blando on CodePen

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