/***动画***/
 .sizeBig{
    -webkit-animation:sizeBigAnimate 0.25s linear;
    -moz-animation:sizeBigAnimate 0.25s linear;
    animation:sizeBigAnimate 0.25s linear;
}
 @-webkit-keyframes sizeBigAnimate {
	0% { 
	    opacity: 1;  
	}
	100% {
	    opacity: 1;   
	    font-size:2em;
	}
}
@-moz-keyframes sizeBigAnimate {
  0% { 
	    opacity: 1;  
	}
	100% {
	    opacity: 1;   
	    font-size:2em;
	}
}
@keyframes sizeBigAnimate {
   0% { 
	    opacity: 1;  
	}
	100% {
	    opacity: 1;   
	    font-size:2em;
	}
}

 .scrollDis{
    -webkit-animation:scrollDisplay 0.25s forwards;
    -moz-animation:scrollDisplay 0.25s forwards;
    animation:scrollDisplay 0.25s forwards;
}
 @-webkit-keyframes scrollDisplay {
	0% { 
	    display: block;  
	}
	100% {
	    display: none;   
	   
	}
}
@-moz-keyframes scrollDisplay {
  0% { 
	    display: block;  
	}
	100% {
	    display: none;   
	   
	}
}
@keyframes scrollDisplay {
  0% { 
	    display: block;  
	}
	100% {
	    display: none;   
	   
	}
}