background.css

.btn {
    padding: 10px;
    background: #454545;
    border: 1px solid #303030;
    border-radius: 25px;
    color: white;
    box-shadow: -4px 4px 4px 0px #3a3a3a88;
    transition-duration: 0.5s;
    cursor: pointer;
    position: fixed; bottom: 10px; right: 5px;
    z-index: 9999999;
}
.btn img {
    width: 24px;
    height: 24px;
}

.btn:hover {
    background: #b81c1c;
    border: 2px solid #a31616;
    border-radius: 30px;
    padding: 15px;
    box-shadow: -7px 7px 6px 0px #3a3a3a88;
}

.btn:hover > img {
    width: 30px;
    height: 30px;
}

.btn-text {
    padding: 0px;
    position: fixed; bottom: 15px; right: -240px;
    z-index: 999999;
    background-color: #b81c1c;
    border: 1px solid #961616;
    border-radius: 5px;
    color: white;
    transition-duration: 0.5s;
    box-shadow: -3px 3px 2px 0px #45454580;
    padding: 10px;
    padding-right: 50px;
}

.btn:hover + .btn-text {
    position: fixed; bottom: 15px; right: 50px;
    background-color: #b81c1c;
}



@media print {
    .btn, .btn-img, .btn img, .btn-text {
        display: none;
    }
}