3.1. Hiệu ứng tuyết rơi
<div class="snowflakes" aria-hidden="true">
<div class="snowflakes" aria-hidden="true">
<div class="snowflake" style="font-size: 30px;">❅</div>
<div class="snowflake">❅</div>
<div class="snowflake" style="font-size: 40px;">❆ </div>
<div class="snowflake">❅</div>
<div class="snowflake" style="font-size: 30px;">❆</div>
<div class="snowflake" style="font-size: 22px;">❅</div>
<div class="snowflake" style="font-size: 40px;">❆</div>
<div class="snowflake" style="font-size: 20px;">❅</div>
<div class="snowflake" style="font-size: 40px;">❆</div>
<div class="snowflake" style="font-size: 20px;">❆</div>
</div>
<style>
@-webkit-keyframes snowflakes-fall {
0% {top:-10%}
100% {top:100%}
}
@-webkit-keyframes snowflakes-shake {
0%,100% {-webkit-transform:translateX(0);transform:translateX(0)}
50% {-webkit-transform:translateX(80px);transform:translateX(80px)}
}
@keyframes snowflakes-fall {
0% {top:-10%}
100% {top:100%}
}
@keyframes snowflakes-shake {
0%,100%{ transform:translateX(0)}
50% {transform:translateX(80px)}
}
.snowflake {
color: #fff;
font-size: 1em;
font-family: Arial, sans-serif;
text-shadow: 0 0 5px #000;
position:fixed;
top:-10%;
z-index:9999;
-webkit-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
cursor:default;
-webkit-animation-name:snowflakes-fall,snowflakes-shake;
-webkit-animation-duration:10s,3s;
-webkit-animation-timing-function:linear,ease-in-out;
-webkit-animation-iteration-count:infinite,infinite;
-webkit-animation-play-state:running,running;
animation-name:snowflakes-fall,snowflakes-shake;
animation-duration:10s,3s;
animation-timing-function:linear,ease-in-out;
animation-iteration-count:infinite,infinite;
animation-play-state:running,running;
}
.snowflake:nth-of-type(0){
left:1%;-webkit-animation-delay:0s,0s;animation-delay:0s,0s
}
.snowflake:nth-of-type(1){
left:10%;-webkit-animation-delay:1s,1s;animation-delay:1s,1s
}
.snowflake:nth-of-type(2){
left:20%;-webkit-animation-delay:6s,.5s;animation-delay:6s,.5s
}
.snowflake:nth-of-type(3){
left:30%;-webkit-animation-delay:4s,2s;animation-delay:4s,2s
}
.snowflake:nth-of-type(4){
left:40%;-webkit-animation-delay:2s,2s;animation-delay:2s,2s
}
.snowflake:nth-of-type(5){
left:50%;-webkit-animation-delay:8s,3s;animation-delay:8s,3s
}
.snowflake:nth-of-type(6){
left:60%;-webkit-animation-delay:6s,2s;animation-delay:6s,2s
}
.snowflake:nth-of-type(7){
left:70%;-webkit-animation-delay:2.5s,1s;animation-delay:2.5s,1s
}
.snowflake:nth-of-type(8){
left:80%;-webkit-animation-delay:1s,0s;animation-delay:1s,0s
}
.snowflake:nth-of-type(9){
left:90%;-webkit-animation-delay:3s,1.5s;animation-delay:3s,1.5s
}
.snowflake:nth-of-type(10){
left:25%;-webkit-animation-delay:2s,0s;animation-delay:2s,0s
}
.snowflake:nth-of-type(11){
left:65%;-webkit-animation-delay:4s,2.5s;animation-delay:4s,2.5s
}
</style>Last updated