.mwb-whatsapp-button{

position:fixed;

right:20px;

bottom:20px;

width:70px;

height:70px;

background:#25D366;

border-radius:50%;

display:flex;

align-items:center;

justify-content:center;

box-shadow:0 5px 15px rgba(0,0,0,.3);

z-index:999999;

transition:.3s;

}

.mwb-whatsapp-button:hover{

transform:scale(1.1);

}

.mwb-whatsapp-button img{

width:40px;

height:40px;

}