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HTML 

              
                <div class="container">
   <div class="ventana">
     
     
  
     <div class="luna"></div>
     <div class="estrellas"></div>
     </div>
  <div class="estantes">
    <div class="foto"></div>
    <ul>
      <li></li>
      <li></li>
      <li></li>
    </ul>
   </div>
  <div class="taza"></div>
   <div class="flor"></div>
 <div class="luz"></div>
  <div class="lamp"></div>
   <div class="compu"></div>
 <div class="table"></div>
 
  <div class="cara">
     <div class="auri"></div>
    <div class="cejas"></div>
    <div class="ojos"></div>
    <div class="ojos7"></div>
    <div class="swe"></div>
    <div class="boca"></div>
    
       <div class="buble5">
    <div class="code"><div class="code3"></div></div>
       </div>
  </div>
   <div class="cat"><div class="leg"></div><div class="cabeza"><div class="eyes"></div><div class="orejas"></div> <div class="buble">
    <div class="raton"><div class="ojitos"></div></div>
       </div></div></div>
 <div class="cola">
     <div class="dog"</div><div class="leg3"></div><div class="cabeza3"><div class="eyes3"></div><div class="orejas3"></div>     <div class="buble3">
    <div class="cookie"><div class="cookie3"></div></div></div></div>
 
  
</div>
!

CSS 

              
                body{
  background:black;
}
.container{
  position:relative;
  width:800px;
  height:600px;
 background:#001e2f;
  padding-top:30px;
  margin:231px auto;
}
.luz{
  position:absolute;
   width: 0;
  height: 0;
  border-left: 63px solid transparent;
  border-right: 63px solid transparent;
  border-bottom: 300px solid rgba(255, 255, 255, .12);
  margin:30px 343px;
}
.table{
  position:relative;
  width:60%;
  height:172px;
  background:  #d37b50;
  border-top:12px solid #b76333;
  border-bottom:12px solid #b76333;
  margin:400px auto;
  
}

.ventana{
  position:absolute;
  width:201px;
  height:251px;
  background:#0e1012;
  margin:50px 550px;
  border:12px solid #555;
 
}
.ventana::before{
  content:"";
  display:block;
  width:201px;
  height:9px;
  background: #555;
  margin:7px 0px;
  
}
.ventana::after{
  content:"";
  display:block;
  width:201px;
  height:9px;
  background: #555;
  margin:0px 0px;
  
}
.luna{
  position:absolute;
  width:50px;
  height:50px;
  border-radius:100%;
  background:white;
  margin:45px 45px;
}
.luna::before{
  content:"";
  display:block;
  width:50px;
  height:9px;
  border-radius:21px;
  background:#1b253b;
  margin:55px 0px
}
.luna::after{
  content:"";
  display:block;
  width:50px;
  height:9px;
  border-radius:21px;
  background:#1b253b;
  margin:-60px 12px;
}
.estrellas{
  position:absolute;
  width:7px;
  height:7px;
  border-radius:100%;
  background:white;
  margin:30px 30px;
}
.estrellas::before{
  content:"";
  display:block;
  width:7px;
  height:7px;
  border-radius:100%;
  background:white;
  margin:121px 90px;
}
.estrellas::after{
  content:"";
  display:block;
  width:7px;
  height:7px;
  border-radius:100%;
  background:white;
  margin:-221px 132px;
}
.compu{
  position:absolute;
  width:172px;
  height:102px;
  background:#121212;
  border-r7adius:12px;
  margin:291px 321px;
  z-index:3;
}
.compu::before{
  content:"";
  display:block;
  width:172px;
  height:7px;
  background:#212121;
  border-radius:12px;
  margin:102px 0px
}
.compu::after{
  content:"";
  display:block;
  width:12px;
  height:12px;
  border-radius:100%;
  border:3px solid #e90757;
  margin:-172px 77px;
}

.cara::before{
  content:"";
  display:block;
  width:90px;
  height:45px;
   border-radius: 90px 90px 0 0;
  background:#ff9900;
  margin:-45px 3px;
  
}
.cara{
 position:absolute;

  width:95px;
  height:121px;
   background:#ff9900;
 border-radius: 0 0 90px 90px;
   margin:-780px 359px;
   animation: sube12 3s alternate infinite;
    -moz-animation: sube12 3s alternate infinite;
    -webkit-animation: sube12 3s alternate infinite;
}
.cara::after{
  content:"";
  display:block;
 
  width:90px;
  height:50px;
  border-radius:0 0 90px 90px;
  background:#ffe0bd;
  margin:50px 2px;
  
}
.cejas{
  position:absolute;
  width:19px;
  height:7px;
  border-radius:12px 12px 0 0;
  border-top:2px solid black;
  margin:60px 14px
}
.cejas::before{
  content:"";
  display:block;
  width:19px;
  height:7px;
  border-radius:12px 12px 0 0;
  border-top:2px solid black;
  margin:-3px 45px
}
.ojos{
  position:absolute;
  width:12px;
  height:9px;
  border-radius:100%;
  background:#b95835;
  margin:65px 17px;
   animation: sube5 3s alternate infinite;
    -moz-animation: sube5 3s alternate infinite;
    -webkit-animation: sube5 3s alternate infinite;
     
}
.ojos7{
  position:absolute;
  width:12px;
  height:9px;
  border-radius:100%;
  background:#b95835;
  margin:65px 63px;
  animation: sube5 3s alternate infinite;
    -moz-animation: sube5 3s alternate infinite;
    -webkit-animation: sube5 3s alternate infinite;
    
}
.boca{
  position:absolute;
  width:12px;
  height:6px;
  border-radius:0 0 12px 12px;
  background:#ff3333;
  margin:90px 40px
}
.boca::before{
  content:"";
  display:block;
  border-bottom: 12px solid #ffe0bd;
    border-left: 3px solid transparent;
    border-right: 3px solid transparent;
    height: 0;
    width: 12px;
  margin:9px -3px
}
.boca::after{
  content:"";
  display:block;
   width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right:9px solid transparent;
    border-top: 16px solid #ffe0bd;
  margin:-9px -3px
}
.swe{
  position:absolute;
  width:90px;
  height:45px;
  border-radius:90px 90px 0 0;
  background:#00b7c8;
  margin:102px 2px;
}
.auri{
  position:absolute;
  width:90px;
  height:45px;
  border-radius:90px 90px 0 0;
  border-top:9px solid #00b7c8;
  margin:3px 3px;
  
}
.auri::before{
  content:"";
  display:block;
  width:9px;
  height:30px;
  border-radius:12px;
  background:#00b7c8;
  margin: 21px -9px;
}
.auri::after{
  content:"";
  display:block;
  width:9px;
  height:30px;
  border-radius:12px;
  background:#00b7c8;
  margin: -50px 90px;
}
.lamp{
  position:absolute;
  width:12px;
  height:50px;
  background:#555;
  margin: -30px 50%;
}
.lamp::before{
  content:"";
  display:block;
  width:112px;
  height:60px;
  border-radius:112px 112px 0 0;
  background:#ff5555;
  margin:30px -50px;
}
.lamp::after{
  content:"";
  display:block;
  width:30px;
  height:16px;
  border-radius: 0 0 30px 30px;
  background:rgba(255,255,255,.9);
  margin:-30px -9px
}
.estantes{
  position:absolute;
  width:132px;
  height:9px;
  background:#d37b50;
  margin: 212px 50px;
  border-bottom:3px solid #b76333;
}
.estantes::before{
  content:"";
  display:block;
  width:132px;
  height:9px;
  background:#d37b50;
  margin:50px 0px;
  border-bottom:3px solid #b76333;
}

.foto{
  position:absolute;
  width:45px;
  height:35px;
  border-radius:3px;
  background:lightblue;
  border:3px solid #555;
  margin:-155px 40px;
  
}
.foto::before{
  content:"";
  display:block;
  width:12px;
  height:12px;
  border-radius:100%;
  background:orange;
  margin:9px 5px
  
}
.foto::after{
  content:"";
  display:block;
  width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-bottom: 30px solid green;
  margin:-27px 16px
}
ul{
 position:absolute;
  width:90px;
  height:35px;
  list-style:none;
 
  margin:-93px -9px;
}
ul li{
  display:inline-block;
  width:21px;
  height:30px;
  margin:-3px 0px
}
ul li:nth-child(1){
  background:lightblue;
  border-bottom:2px solid pink;
}
ul li:nth-child(2){
  background:pink;
  border-bottom:2px solid lightblue;
 
}
ul li:nth-child(3){
  background:gray;
  border-bottom:2px solid white;
}
.taza{
  position:absolute;
  width:35px;
  height:40px;
  border-radius: 0 0 9px 9px;
  background: #8c489f;
  margin:360px 545px
}
.taza::before{
  content:"";
  display:block;
  width: 12px;
  height:12px;
  border:3px solid #8c489f;
  border-radius:9px;
  margin:9px 30px
}
.flor{
  position:absolute;
  border-top: 30px solid #aaf300;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    height: 0;
    width: 25px;
  margin:370px 212px;
}
.flor::before{
  content:"";
  display:block;
  width:9px;
  height:35px;
  background:brown;
  margin:-65px 9px;
}
.flor::after{
  content:"";
  display:block;
  width:50px;
  height:50px;
  border-radius:100%;
  background:#ff8000;
  margin: 0 -12px;
}
.cat{
 position:absolute;
  width:70px;
  border-radius: 55px 55px 0 0;
  height:35px;
  background:#333;
  margin: -721px 630px;
    
}
.cabeza{
  position:absolute;
  width:45px;
  height: 35px;
  border-radius:100%;
  background:#333;
  border:1px solid gray;
  margin: -3px -12px;
 animation: sube 3s alternate infinite;
    -moz-animation: sube 3s alternate infinite;
    -webkit-animation: sube 3s alternate infinite;
    
  
}
.cat::after{
  content:"";
  display:block;
  width:12px;
  height:50px;
  border-radius: 30px;
  background:#333;
  margin: 21px 57px;
  
  
  
}
.eyes{
  position:absolute;
  width: 14px;
  height:12px;
  border-radius:100%;
  border-bottom: 3px solid black;
 margin: 7px 5px;
  
}
.eyes::before{
  content:"";
  display:block;
  width: 14px;
  height:12px;
  border-radius:100%;
  border-bottom: 3px solid black;
 margin: 0px 19px;
  
}
.eyes::after{
  content:"";
  display:block;
  width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right:5px solid transparent;
    border-top: 5px solid black;
 margin: 5px 12px;
  
}
.orejas{
  position:absolute;
 width: 0;
    height: 0;
    border-top: 16px solid #212121;
    border-right: 16px solid transparent;
  margin: 0px -3px;
  
}
.orejas::before{
  content:"";
  display:block;
 width: 0;
    width: 0;
   height: 0;
   border-top: 16px solid #212121;
   border-left: 16px solid transparent;
  margin: -16px 33px;
  
}
.leg{
  position:absolute;
  width:21px;
  height:7px;
  border-radius: 9px;
  background:#333;
  margin: 28px -7px;
  
}
.dog{
 position:absolute;
  width:90px;
  border-radius: 55px 55px 0 0;
  height:45px;
  background:brown;
  margin: -30px -30px;
  z-index:3;
}
.cabeza3{
  position:absolute;
  width:60px;
  height: 50px;
  border-radius:100%;
  background:brown;
  border-right:1px solid #b95835;
  border-bottom:1px solid #b95835;
  border-left:1px solid #b95835;
  margin:0px -12px;
 animation: sube3 3s alternate infinite;
    -moz-animation: sube3 3s alternate infinite;
    -webkit-animation: sube3 3s alternate infinite;
 
}
.leg3{
  position:absolute;
  width:45px;
  height:12px;
  border-radius: 45px 0 0px 45px;
  background:brown;
  border-top:1px solid #b95835;
  margin: 30px -40px;
  
}

.orejas3{
  position:absolute;
 width: 13px;
    height: 55px;
    background:black;
  border-radius:100%;
  margin: 3px 0px;
  
  
}
.orejas3::before{
  content:"";
  display:block;
  width: 13px;
    height: 55px;
    background:black;
  border-radius:100%;
  margin: 0px 47px;
  
}
.cola{
  position:absolute;
  width:112px;
  height:12px;
  border-radius: 30px;
  background:black;
  
  margin:-430px 400px;
 
  
}
.eyes3{
  position:absolute;
  width: 16px;
  height:12px;
  border-radius:100%;
  border-bottom: 3px solid black;
 margin: 16px 12px;
  
}
.eyes3::before{
  content:"";
  display:block;
  width: 16px;
  height:12px;
  border-radius:100%;
  border-bottom: 3px solid black;
 margin: 0px 19px;
  
}
.eyes3::after{
  content:"";
  display:block;
  width:12px;
  height:7px;
  background:black;
  border-radius:100%;
 margin: 9px 12px;
  
}
.buble{
  position:absolute;
  width:70px;
  height:65px;
  border-radius:100%;
  background:lightblue;
  margin:-102px 50px;
  
}
.buble::before{
  content:"";
  display:block;
  width:17px;
  height:16px;
  border-radius:100%;
  background:lightblue;
  margin:55px -12px
}
.buble::after{
  content:"";
  display:block;
  width:9px;
  height:9px;
  border-radius:100%;
  background:lightblue;
  margin:-53px -21px;
}
.raton{
  position:absolute;
  width:35px;
  height:21px;
  border-radius:40px 40px 0 0;
  background:#555;
  margin:-102px 16px
}
.raton::before{
  content:"";
  display:block;
  top: 0;
    left: 0;
    width: 21px;
    height: 21px;
  background:gray;
    -moz-border-radius: 50px 50px 0 50px;
         border-radius: 50px 50px 0 50px;
    -webkit-transform: rotate(90deg);
       -moz-transform: rotate(90deg);
                   transform: rotate(90deg);
  margin:-5px 9px;
}
.raton::after{
  content:"S";
  display:block;
  font-family:verdana;
  font-weight:700;
  color:gray;
  margin:3px 37px;
  -webkit-transform: rotate(-95deg);
       -moz-transform: rotate(-95deg);
                  transform: rotate(-95deg);
}
.ojitos{
  position:absolute;
  width:12px;
  height:12px;
  border-radius:100%;
  background:white;
  margin: -5px 0px;
    
}
.ojitos::before{
  content:"";
 display:block;
  width:9px;
  height:9px;
  border-radius:100%;
  background:black;
  margin: 0px 0px;
    
}
.buble3{
  position:absolute;
  width:70px;
  height:65px;
  border-radius:100%;
  background:pink;
  margin:-102px -75px;
  
}
.buble3::before{
  content:"";
  display:block;
  width:17px;
  height:16px;
  border-radius:100%;
  background:pink;
  margin:55px 70px
}
.buble3::after{
  content:"";
  display:block;
  width:9px;
  height:9px;
  border-radius:100%;
  background:pink;
  margin:-53px 90px;
}
.cookie{
  position:absolute;
  width:14px;
  height:35px;
  border-radius:12px;
  background:#b76333;
  margin:-112px 27px;
}
.cookie::before{
  content:"";
  display:block;
  width:17px;
  height:17px;
  border-radius:100%;
  background:#b76333;
  margin:-3px -7px
}
.cookie::after{
  content:"";
  display:block;
  width:17px;
  height:17px;
  border-radius:100%;
  background:#b76333;
  margin:-17px 5px
}
.cookie3{
  position:absolute;
  width:17px;
  height:17px;
  border-radius:100%;
  background:#b76333;
  margin:12px -7px
}
.cookie3::before{
  content:"";
  display:block;
  width:17px;
  height:17px;
  border-radius:100%;
  background:#b76333;
  margin:0px 12px
}

.buble5{
  position:absolute;
  width:102px;
  height:102px;
  border-radius:100%;
  background:white;
  margin:-162px 121px;
  
}
.buble5::before{
  content:"";
  display:block;
  width:21px;
  height:19px;
  border-radius:100%;
  background:white;
  margin:95px -12px
}
.buble5::after{
  content:"";
  display:block;
  width:12px;
  height:12px;
  border-radius:100%;
  background:white;
  margin:-93px -33px;
}
.code{
  position:absolute;
  width:70px;
  height:7px;
  background:lightblue;
  border-radius:9px;
  margin:-182px 12px;
}
.code::before{
  content:"";
  display:block;
  width:50px;
  height:7px;
  background:pink;
  border-radius:9px;
  margin:9px 0px;
}
.code::after{
  content:"ZZZ";
  display:block;
  width:30px;
  height:9px;
  color:gray;
  font-family:verdana;
  font-size:14px;
  font-weight:700;
  border-radius:9px;
  margin:-9px 21px;
}
.code3{
  position:absolute;
  width:70px;
  height:7px;
  background:pink;
  border-radius:9px;
  margin:16px 12px;
}
.code3::before{
  content:"";
  display:block;
  width:50px;
  height:7px;
  background:lightblue;
  border-radius:9px;
  margin:12px 12px;
}

@-webkit-keyframes sube {
  
    0% {margin-top: -3px; }
  100% {margin-top: -5px; } }
@-moz-keyframes sube {
  
    0% {margin-top: -3px; }
  100% {margin-top: -5px; } }

@keyframes sube {
  
    0% {margin-top: -3px; }
  100% {margin-top: -5px; } }

@-webkit-keyframes sube3{
  
    0% { margin-top: 0px; }
  100% { margin-top: -3px; } }
@-moz-keyframes sube3{
  
    0% { margin-top: 0px; }
  100% { margin-top: -3px; } }
@keyframes sube3{
  
    0% { margin-top: 0px; }
  100% { margin-top: -3px; } }


@-webkit-keyframes sube5{
  
  0% {height: 9px;margin-top:65px;}
  25%{height: 9px;  margin-top:65px;}
  35%{height: 6px;margin-top:67px;}
  50%{height: 6px;margin-top:67px;}
  60%{height: 6px;margin-top:67px;}
  70%{height: 3px;margin-top:73px;}
  75%{height: 3px;margin-top:73px;}
  95%{height: 3px;margin-top:73px;}
  100% {margin-top: 3px; margin-top:73px;}} 

@-moz-keyframes sube5{
  
 0% {height: 9px;margin-top:65px;}
  25%{height: 9px;  margin-top:65px;}
  35%{height: 6px;margin-top:67px;}
  50%{height: 6px;margin-top:67px;}
  60%{height: 6px;margin-top:67px;}
  70%{height: 3px;margin-top:73px;}
  75%{height: 3px;margin-top:73px;}
  95%{height: 3px;margin-top:73px;}
  100% {margin-top: 3px; margin-top:73px;}} 

@keyframes sube5{
  
  0% {height: 9px;margin-top:65px;}
  25%{height: 9px;  margin-top:65px;}
  35%{height: 6px;margin-top:67px;}
  50%{height: 6px;margin-top:67px;}
  60%{height: 6px;margin-top:67px;}
  70%{height: 3px;margin-top:73px;}
  75%{height: 3px;margin-top:73px;}
  95%{height: 3px;margin-top:73px;}
  100% {margin-top: 3px; margin-top:73px;}} 

@-webkit-keyframes sube7{
  
  0% {height: 9px;}
  25%{height: 9px;}
  35%{height: 6px;}
  50%{height: 6px;}
  60%{height: 6px;}
  70%{height: 3px;}
  75%{height: 3px;}
  95%{height: 3px;}
  100% {height: 3px;}}

@-moz-keyframes sube7{
  
 0% {height: 9px;}
  25%{height: 9px;}
  35%{height: 6px;}
  50%{height: 6px;}
  60%{height: 6px;}
  70%{height: 3px;}
  75%{height: 3px;}
  95%{height: 3px;}
  100% {height: 3px;}}

@keyframes sube7{
  0% {height: 9px;}
  25%{height: 9px;}
  35%{height: 6px;}
  50%{height: 6px;}
  60%{height: 6px;}
  70%{height: 3px;}
  75%{height: 3px;}
  95%{height: 3px;}
  100% {height: 3px;}}

@-webkit-keyframes sube12{
  
    0% {margin-top:-780px;}
    25%{margin-top:-780px;}
    35%{margin-top:-776px;}
    50%{margin-top:-776px;}
    60%{margin-top:-776px;}
    70%{margin-top:-773px;}
    75%{margin-top:-773px;}
    95%{margin-top:-773px;}
    100% {margin-top:-773px;}} 


@-moz-keyframes sube12{
  
      0% {margin-top:-780px;}
    25%{margin-top:-780px;}
    35%{margin-top:-776px;}
    50%{margin-top:-776px;}
    60%{margin-top:-776px;}
    70%{margin-top:-773px;}
    75%{margin-top:-773px;}
    95%{margin-top:-773px;}
    100% {margin-top:-773px;}} 

@keyframes sube12{
    0% {margin-top:-780px;}
    25%{margin-top:-780px;}
    35%{margin-top:-776px;}
    50%{margin-top:-776px;}
    60%{margin-top:-776px;}
    70%{margin-top:-773px;}
    75%{margin-top:-773px;}
    95%{margin-top:-773px;}
    100% {margin-top:-773px;}}
!

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