.w-app {
    position: fixed;
    bottom: 15px;
    right: 20px;
    z-index: 16000004 !important;
}

.w-app-color {
    font-size: 40px;
    cursor: pointer;
    color: #fff;
    border-radius: 50%;
    height: 60px;
    width: 60px;
    background-color: #25D366;
    text-align: center;
    padding: 10px 0;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 1px 6px, rgba(0, 0, 0, 0.2) 0px 2px 24px;
    border: none;
    transition: box-shadow 100ms ease-in-out 0s;
}

@media (max-width: 480px){
    .w-app {
        bottom: 45px;
    }
}