.vc_btn3.vc_btn3-color-vista-blue.vc_btn3-style-modern {
    border-color: #01b8ab;
    background-color: #01b8ab;
}
.vc_btn3.vc_btn3-color-vista-blue.vc_btn3-style-modern:focus, 
.vc_btn3.vc_btn3-color-vista-blue.vc_btn3-style-modern:hover {
    color: #f7f7f7;
    border-color: #01a398;
    background-color: #01a398;
}