.b-callback { 
    font: 12pt Arial; }
.b-callback-button {
    font: 15pt Arial;
    background-color: lightBlue;
    margin-left: 30%;
    margin-top: 15pt;
    width: 40%; 
    cursor: pointer; }
.b-callback-input {
    padding: 3pt 3pt 3pt 3pt;
    margin: 7pt 7pt 7pt 7pt;
    font: 14pt Arial;
    width: 90%; }