SOURCE

console 命令行工具 X clear

                    
>
console
<a href="http://www.baidu.com" target="_blank" class="boyd-a1">这是第一个a按钮</a>
          <a href="#" class="boyd-a2">这是第二个a按钮</a>
          <a href="#" class="boyd-a3">这是第三个a按钮</a>
a{
                  height:50px;
                  width:200px;
                  border:5px solid;
                  border-radius:50px;
                  text-align:center;
                  line-height:50px;
                  display:block;
                  text-decoration:none;
                  font-family:"微软雅黑","宋体";
                  font-weight:bold;
                  font-size:20px;
                  margin:10px auto;
                  background-color:#ffffff;
                  
               }
               a:hover{
                   background-color:#808080;
                   color:#ffffff;
                   
               }
               a:focus {
                      outline: none;
               
                  }  
               .boyd-a1{
                   border-color:#00ffff;
                   color:#808080;
             
               }
              .boyd-a2 {
                  border-color: #4cff00;
                  color: #808080;
              }
              .boyd-a3 {
                  border-color: #ffd800;
                  color: #808080;
              }