图片上面加浮动标签a,鼠标移动到a标签加图标_html/css_WEB-ITnose:无标题文档.box{ width:500px; height:300px; border:5px solid #00F;position:relative;}.left.right{display:block;top:0;width:50px; height:300px;position:absolute;}.left span.right spa