搜索框是一个网站必不不可少的成分，他的美观度直接决定着网站的用户体验。 所以美化搜索就很重要了。 教你怎么样用CSS和一张图片做搜索框-Search box is a web site must be non-essential elements, and his appearance-degree directly determines the site user experience. Therefore, it is important to the beautification