leaderboard/assets/css/bg.css

/* body{
    background: #3399ff;
  }
  
  
  .circle{
    position: absolute;
    border-radius: 50%;
    background: white;
    animation: ripple 15s infinite;
    box-shadow: 0px 0px 1px 0px #508fb9;
    z-index: -1;
  }
  
  .small{
    width: 200px;
    height: 200px;
    left: -100px;
    bottom: -100px;
  }
  
  .medium{
    width: 400px;
    height: 400px;
    left: -200px;
    bottom: -200px;
  }
  
  .large{
    width: 600px;
    height: 600px;
    left: -300px;
    bottom: -300px;
  }
  
  .xlarge{
    width: 800px;
    height: 800px;
    left: -400px;
    bottom: -400px;
  }
  
  .xxlarge{
    width: 1000px;
    height: 1000px;
    left: -500px;
    bottom: -500px;
  }
  
  .shade1{
    opacity: 0.2;
  }
  .shade2{
    opacity: 0.5;
  }
  
  .shade3{
    opacity: 0.7;
  }
  
  .shade4{
    opacity: 0.8;
  }
  
  .shade5{
    opacity: 0.9;
  }
  
  @keyframes ripple{
    0%{
      transform: scale(0.8);
    }
    
    50%{
      transform: scale(1.2);
    }
    
    100%{
      transform: scale(0.8);
    }
  }
   */

   @import url('https://fonts.googleapis.com/css?family=Exo:400,700');

*{
    margin: 0px;
    padding: 0px;
}

body{
    font-family: 'Exo', sans-serif;
}


.context {
    width: 100%;
    position: absolute;
    top:50vh;
    
}

.context h1{
    text-align: center;
    color: #fff;
    font-size: 50px;
}


.area{
    background: #4e54c8;  
    background: -webkit-linear-gradient(to left, #8f94fb, #4e54c8);  
    width: 100%;
    height:100vh;
    
   
}

.circles{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.circles li{
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    animation: animate 25s linear infinite;
    bottom: -150px;
    
}

.circles li:nth-child(1){
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}


.circles li:nth-child(2){
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circles li:nth-child(3){
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4){
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circles li:nth-child(5){
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.circles li:nth-child(6){
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7){
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}

.circles li:nth-child(8){
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9){
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10){
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}



@keyframes animate {

    0%{
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }

    100%{
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }

}