链接图片外边出现蓝框（IE8/IE9/IE10）

<p>
     <span class="online-shop-tv-charge">
        <img src="images/online_shop_charge/03.png">
     </span>
     <span class="online-shop-network-charge">
        <a href="#">
            <img src="images/online_shop_charge/04.png">
        </a>
     </span>
</p>                    

　　

.online-shop-network-charge img{
    border:none;
}
.online-shop-tv-charge img{
    border:none;
}