.btn-rx {
    color: #fff !important;
    background: #9933ff !important;
}

/* clears the ‘X’ from Internet Explorer */
input[type=search]::-ms-clear {
    display: none;
    width: 0;
    height: 0;
}

input[type=search]::-ms-reveal {
    display: none;
    width: 0;
    height: 0;
}

/* clears the ‘X’ from Chrome */
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
    display: none;
}