#btnMessage {
    position: fixed;
    right: 10px;
    bottom: 70px;
    cursor: pointer;
    width: 50px;
    height: 50px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    -webkit-box-shadow:0px 0px 10px black;
    background-color: #14b1bb;
    text-align:center;
    display:flex;
    justify-content:center;
    flex-direction:column;
}

    #btnMessage i{
        color:white;
        font-size:1.8em;
    }

    #btnMessage:hover {
        background-color: #34495E;
        opacity: 1;
        filter: "alpha(opacity=100)";
        -ms-filter: "alpha(opacity=100)";
    }