<form role="search" action="<?php echo home_url( '/' ); ?>" method="get" class="form-inline"> <fieldset> <div class="input-group"> <input type="text" name="s" id="search" placeholder="<?php _e("Search","wpbootstrap"); ?>" value="<?php the_search_query(); ?>" class="form-control" /> <span class="input-group-btn"> <button type="submit" class="btn btn-default"><span class="fa fa-search"></span></button> </span> </div> </fieldset> </form>