HTML使用DIV+CSS如何实现左边导航,右边显示内容,点击那个导航显示那个内 ...答:<div id="lanPos"></div> </ul> 3、书写css代码。<style> html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt...