SOURCE

   <div class="m-demo">
	   <p>字体系列：font-family:arial;</p>
	   <p class="p1">字体系列：font-family:arial, Verdana, sans-serif;</p>
	   <p class="p2">字体系列：font-family:Verdana, "microsoft yahei";</p>
	   <p class="p3">字体系列：font-family:"宋体", serif;</p>
   </div>

  p{margin:10px;background:#ddd;}
  p+p{margin-left:40px;}

  .m-demo{font-family:arial;}
  .m-demo .p1{font-family:arial, Verdana, sans-serif;}
  .m-demo .p2{font-family:Verdana, "microsoft yahei";}
  .m-demo .p3{font-family:"宋体", serif;}