css a标签去掉下划线样式

/*包含以下四种的链接*/a {text-decoration: none;}/*正常的未被访问过的链接*/a:link {text-decoration: none;}/*已经访问过的链接*/a:visited {text-decoration: none;}/*鼠标划过(停留)的链接*/a:hover {text-decoration: none;}/* 正在点击的链接*/a:active {text-decoration: none;}