CSS automatically intercepts the specified length string and displays the end... Support FF browser

<!--
.div1{
width:200px;
}
.div1 span{
white-space:nowrap;
text-overflow:ellipsis; /* for internet explorer */
overflow:hidden;
width:168px;
display:block;
float:left;
}

html>body .div1:after{/* for FF*/
content: "...";
margin-left:5px;
}

-->
</style>

<div class="div1"><span>The compatibility of IE7 browser recently released by Microsoft has indeed added a heavy burden to some web page developers</span></div>