CSS练习-导航栏斜线分隔-利用伪元素

<!-- 导航栏begin -->
    <div class="header_right fr">
    <a href="#" class="link">Home</a>
    <a href="#" class="link">About</a>
    <a href="#" class="link">Features</a>
    <a href="#" class="link">Blog</a>
    <a href="#" class="link">Shop</a>
    <div class="alarm fr">
    <img src="./images/alarm.png" alt="alarm" /></images><i class="alarm_number">2</i>
    </div>
    </div>
 <!-- 导航栏end -->

.link:before{content: "/";margin:0 24px;color: grey;}
.link:first-child:before{display:none;}