.pbluebutton .x-btn x-btn-block {
    background-color: #ff2a13; /* button background color */
    box-shadow: 0 0.25em 0 0 #a71000, 0 4px 9px rgba(0, 0, 0, 0.75); /* button shadow color */
    border-color: red; /* border color */
    color: #fff; /* text color */
}