css如何实现鼠标放到按钮上从左往右动画移入[可看示例]
.hot_products_right_nav .hot_products_right_tit{ cursor: pointer; width: 112px; height: 35px; line-height: 35px; text-align: center; border: 1px solid #4a8cf6; float: left; margin-left: 20px; font-size: 13px; positio