css a链接使用特效

a链接使用特效一：

<div class="service_hot_wrapper_look_more"><a href="">查看全部</a></div>

.service_hot_wrapper_look_more{
	margin: 0 auto;
	margin-top: 0px;
    padding-bottom: 7px;
    cursor: pointer;
    position: relative;
    width: 70px;
}

.service_hot_wrapper_look_more a{
	width: 70px;
	color: #008ddd;
    text-decoration: none;
    font-size: 14px;
    text-align: center;
}

.service_hot_wrapper_look_more a:before{
    content: "";
    position: absolute;
    left: 8px;
    bottom: 0px;
    width: 56px;
    height: 1px;
    visibility: visible;
    background-color:  #008ddd;
    -webkit-transform:scaleX(0.4) ;
    -o-transform:scaleX(0.4);
    transform: scaleX(0.3);
    -webkit-transition: all 0.2s ease-in-out 0s;
    -o-transition:all 0.2s ease-in-out 0s ;
    transition: all 0.2s ease-in-out 0s;
}

.service_hot_wrapper_look_more a:hover:before{
    visibility: visible;
    -webkit-transform:scaleX(1) ;
    -o-transform:scaleX(1);
    transform: scaleX(1);
}