*{
    margin: 0%;
    padding: 0%;
    box-sizing: border-box;
}
body{
    background-color:rgb(255, 255, 255); 
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
   
}
.top{
    width:6vw;
    height: 6vw;
    border-radius: 50%;
    position: absolute;
    background-color: #0f4578;
    
       }
.bott{
   
    width: 30vw;
    height: 30vw;
    border-radius: 20%;
    background-color: #161fe5;
    filter: blur(20px);
    animation: color 60s ease infinite;
    z-index: -1;
    
}
@keyframes color {
    0%{
       background-color: #161fe5; 
    }
    20%{
        background-color: #8b16e5; 
    }
    40%{
        background-color: #d54110;  
    }
    60%{
        background-color: #099666;
    }
    80%{
        background-color: #39a6d5;
    }
    100%{
        background-color: #161fe5;
    }
}