/**设置跟元素字体为10px,以后用到rem后 12px＝1.2rem了  记得加上px免得不兼容**/
html
{
font-size:62.5%; /* 10÷16=62.5% */
}
body
{ 
  font-family: "微软雅黑"; 
  font-size:14px; 
}
.defsize
{
  font-size:1.6rem;
}
.defcolor
{
  color:#333333;
}
.defalign
{
   text-align:left;
}
/**滚动动画**/
#s-2.active .ydupdown
{
	-webkit-animation: slideDowns 1.5s ease-in-out both;
	-moz-animation: slideDowns 1.5s ease-in-out both;
	-ms-animation: slideDowns 1.5s ease-in-out both;
	-o-animation: slideDowns 1.5s ease-in-out both;
	animation: slideDowns 1.5s ease-in-out both;
}