基于css的雪景动画

简单的雪景动画

html文件

   
         
            
    "stylesheet" type="text/css" href="style.css">    
      
          
    
        
      
"set">            
         
"XKY snowman.png">
            
          
"tree.png">
        
      
                
      
"set2">            
	  
"snow1.png">
           
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow3.png">
            
	  
"snow3.png">
        
	  
        
      
"set2 set3">            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow3.png">
            
	  
"snow3.png">
         
      
        
      
"set2 set4">            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow1.png">
            
	  
"snow2.png">
            
	  
"snow3.png">
            
	  
"snow4.png">
            
	  
"snow3.png">
            
	  
"snow3.png">
        
      
   
    

css文件

body{
         
	margin: 0;    
	padding: 0;    
	overflow: hidden;
	}
section{
         
	position: absolute;    
	height: 100%;    
	width: 100%;    
	background:radial-gradient(#333,#000);
	}
.set{
         
	position: absolute;    
	width: 100%;    
	height: 100%;    
	bottom: 0;    
	left: 0;
	}
	

.set div{
         
	position: absolute;    
	display: block;
	}
.set div:nth-child(1){
         
	bottom: 70px;    
	left: 23%;
	}
.set div:nth-child(2){
         
	bottom: 0;    
	left: 34%;
	}
.set2{
         
	position:absolute;    
	width: 100%;    
	height: 100%;    
	top: 0;    
	left: 0;
	}
	
.set2 div{
         
	position:absolute;    
	display: block;
	}

.set2 div:nth-child(1){
         
	left: 0;    
	animation: animate 20s linear infinite;     
	animation-delay: -10;
	}
.set2 div:nth-child(2){
         
	left: 8%;    
	animation: animate 18s linear infinite;    
	animation-delay: -9;
	}
.set2 div:nth-child(3){
         
	left: 16%;    
	animation: animate 20s linear infinite;    
	animation-delay: -4;
	}
.set2 div:nth-child(4){
         
	left: 24%;    
	animation: animate 21s linear infinite;    
	animation-delay: -6;
	}
.set2 div:nth-child(5){
         
	left: 32%;    
	animation: animate 15s linear infinite;
	}
.set2 div:nth-child(6){
         
	left: 40%;    
	animation: animate 19s linear infinite;    
	animation-delay: -10;
	}
.set2 div:nth-child(7){
         
	left: 48%;    
	animation: animate 16s linear infinite;    
	animation-delay: -8;
	}
.set2 div:nth-child(8){
         
	left: 56%;    
	animation: animate 18s linear infinite;    
	animation-delay: -2;
	}
.set2 div:nth-child(9){
     
	    left: 64%;    
	    animation: animate 20s linear infinite;    
	    animation-delay: -5s;
	}
.set2 div:nth-child(10){
         
	left: 72%;    
	animation: animate 25s linear infinite;    
	animation-delay: -13;
	}
.set2 div:nth-child(11){
         
	left: 80%;   
	animation: animate 20s linear infinite;   
	animation-delay: -10s;
	}
.set2 div:nth-child(12){
         
	left: 88%;    
	animation: animate 20s linear infinite;
	}
.set2 div:nth-child(13){
         
	left: 94%;    
	animation: animate 21s linear infinite;
	}
.set2 div:nth-child(14){
         
	left: 98%;    
	animation: animate 20s linear infinite;    
	animation-delay: -7s;
	}

@keyframes animate{
        
   0%{
           
	opacity: 0;      
	top: -10%;      
	transform: translateX(20px) rotate(0deg);  
	}
   10%{
     
         opacity: 1;  
           }
   20%{
         
         transform: translateX(-20px) rotate(45deg);   
   }     
    40%{
        
         transform: translateX(20px) rotate(90deg);  
      }    
    60%{
         
         transform: translateX(20px) rotate(135deg);   
      }    
    80%{
         
         transform: translateX(20px) rotate(180deg);   
      }
   100%{
            
        top: 110%;       
        transform: translateX(20px) rotate(225deg);   
   	}
   }


.set3{
         
	transform: scale(2) rotateY(180deg);   
	 filter: blur(2px);
      }
.set4{
         
	transform: scale(0.8) rotateY(180deg);
      }

效果图：
（注：图中雪花为动图，雪人扣的较为粗糙见谅）