CODE EXAMPLE FOR CSS

input type search remove x

/* 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; }