*{
    margin:0%;
    padding: 0%;
    box-sizing: border-box;
    color: #fff;
}
html,body{
    height: 100vh;
    width: 100%;
}
#main{
    height: 100vh;
    width: 100%;
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    
}
#main h1{
    font-size: 10vw;
}
.cursor{
    height: 50px;
    width: 50px;
    border-radius: 50%;
    background-color:red;
    position: absolute;
    transition: all linear 0.4s;
    mix-blend-mode: difference;
}