.btn-whatsapp{
    border-radius: 50%;
    background-color: #25D366;
    width: 50px;
    height: 50px;
    box-shadow: 1px 2px 4px #000a;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    right: 5%;
    bottom: 0;
    margin: auto;  
}
.areaBtn-whatsapp{
    width: 100%;
    height: 100%;
}
.areaBtn-whatsapp>a{
    display: block;
    width: 100%;
    height: 100%;
}
.areaImagemA{    
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.areaBtn-whatsapp>a>.areaImagemA>img{
    position: absolute;
    margin: auto;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    width: 70%;
    height: 70%;
}