.container-btn-wsap {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fd7e14;    
    width: 65px;
    height: 65px;
    border-radius: 50px;    
    position: fixed;
    bottom: 15px;
    right: 15px;
    border: 1px solid #ff2301;
}

.container-btn-wsap:hover {
    text-decoration: none;
    background: #ff2301;
}