Search form

// change your id & class (make your own style)

<!----------------------------------------------------------------------------->
<form method="get" id="searchform" action="<?php echo esc_url( home_url( '/' ) ); ?>">
<label for="s" class="assistive-text"><?php _e( '', 'flat' ); ?></label>
<input class="box_search floatleft" type="text" class="field" name="s" id="s" placeholder="<?php esc_attr_e( 'Enter your keyword', 'flat' ); ?>" />
<input  class="submit_search floatleft" type="submit" class="submit" name="submit" id="searchsubmit" value="<?php esc_attr_e( 'Search', 'flat' ); ?>" />
</form>
<!----------------------------------------------------------------------------->