*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,body{
    height: 100%;
    width: 100%;

}
#main{
    height: 100%;
    width: 100%;
    background-color: black;
}
button{
    /* height: 100%;
    width: 100%; */
    padding: 10px 25px;
    background-color:   black;
    border: 2px solid aqua;
    margin-top: 50px;
    margin-left: 200px;
    font-size: 50px;
    font-weight: 500;
    color: aqua;
    position: relative;
mix-blend-mode: difference;
overflow: hidden;
    
}

button::after{
    content: "";
    width: 100px;
    height: 100px;
    background-color: wheat;
    border-radius: 50%;
    left: 50%;
    top: 50%;
    position: absolute;
    transition: all linear 0.2s;
    z-index: -1;
    transform: translate(-50%,-5%) scale(0);
    overflow: hidden;

}
button:hover::after{
    /* width: 100% ; */
    transform: translate(-50%,-50%) scale(3);


}
button:hover{
color: black;


}