.whatsapp {
    display: block;
    position: absolute;
    right: 0;
    bottom: -40px;
    z-index: 105;
    height: 40px;
    border-radius: 10px;
    background-color: #e6665d;
    color: #fff;
    font-size: 1.625em;
    padding: 0 33px;
    cursor: pointer;
    transition: 400ms;
    text-decoration: none;
    margin-right: 15px;
    left: 0;
    margin-left: 15px;
    text-align: center;
}
.whatsapp:hover {
    background-color: #c95951;
}
.slider1 {
    margin-bottom: 50px;
}
@media only screen and (min-width: 501px) {
    .whatsapp {
        right: 126px;
        bottom: 15px;
        left: unset;
        margin-right: 7.5em;
        margin-left: unset;
    }
    .slider1 {
        margin-bottom: unset;
    }
}