.float{
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.float:hover{
    text-decoration: none;
    color: #25d366;
    background-color: #fff;
}

.my-float{
    margin-top: 16px;
}


@media screen and (max-width: 768px) {
    .float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }

    .my-float {
        margin-top: 10px;
    }
}