估计是烟雾效果。代码如下。在 iPad 上,动画会随机停止或变成 bug。在桌面 chrome/firefox/safari 上,如果您在网页上停留几分钟,动画可能会停止或出现错误。我不确定为什么,因为它都设置为无限。代码如下。Jfiddle 链接在这里:http: //jsfiddle.net/44u23/
.smoke,.smoketwo,.smokethree {
-webkit-transform: translateZ(0);
-moz-transform: translateZ(0);
-ms-transform: translateZ(0);
-o-transform: translateZ(0);
transform: translateZ(0);
-webkit-transform-style: preserve-3d;
position: absolute;
z-index: 0;
width: 1px;
height: 120px;
left: 70%;
bottom: 30px;
}
.smoketwo {
left: 72.5%;
}
.smokethree {
left: 75%;
}
.smoke span,.smoketwo span,.smokethree span {
display: block;
position: absolute;
bottom: 35px;
left: 50%;
margin-left: -20px;
height: 0;
width: 0;
border: 35px solid rgba(255,255,255,0.6);
border-radius: 35px;
left: -14px;
opacity: 0;
transform: scale(0.5);
}
.smokethree .s1,.smokethree.s2,.smokethree .s3,.smokethree .s4,.smokethree .s5,.smokethree .s6,.smokethree .s7,.smokethree .s8,.smokethree .s9 {
margin-left: -15px;
}
.smoke .s1,.smoke .s2,.smoke .s3,.smoke .s4,.smoke .s5,.smoke .s6,.smoke .s7,.smoke .s8,.smoke .s9 {
margin-left: -25px;
}
@-webkit-keyframes smokeL {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(0,130px);
-moz-transform: scale(1) translate(0,130px);
-o-transform: scale(1) translate(0,130px);
transform: scale(1) translate(0,130px);
};
}
@-moz-keyframes smokeL {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(0,130px);
-moz-transform: scale(1) translate(0,130px);
-o-transform: scale(1) translate(0,130px);
transform: scale(1) translate(0,130px);
};
}
@-o-keyframes smokeL {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(0,130px);
-moz-transform: scale(1) translate(0,130px);
-o-transform: scale(1) translate(0,130px);
transform: scale(1) translate(0,130px);
};
}
@keyframes smokeL {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(0,130px);
-moz-transform: scale(1) translate(0,130px);
-o-transform: scale(1) translate(0,130px);
transform: scale(1) translate(0,130px);
};
}
@-webkit-keyframes smokeR {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(5px,130px);
-moz-transform: scale(1) translate(5px,130px);
-o-transform: scale(1) translate(5px,130px);
transform: scale(1) translate(5px,130px);
};
}
@-moz-keyframes smokeR {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(5px,130px);
-moz-transform: scale(1) translate(5px,130px);
-o-transform: scale(1) translate(5px,130px);
transform: scale(1) translate(5px,130px);
};
}
@-o-keyframes smokeR {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(5px,130px);
-moz-transform: scale(1) translate(5px,130px);
-o-transform: scale(1) translate(5px,130px);
transform: scale(1) translate(5px,130px);
};
}
@keyframes smokeR {
0% {
-webkit-transform: scale(0.5) translate(0,0);
-moz-transform: scale(0.5) translate(0,0);
-o-transform: scale(0.5) translate(0,0);
transform: scale(0.5) translate(0,0);
}
10% {
opacity: 1;
-webkit-transform: scale(0.5) translate(0,15px);
-moz-transform: scale(0.5) translate(0,15px);
-o-transform: scale(0.5) translate(0,15px);
transform: scale(0.5) translate(0,15px);
}
100% {
opacity: 0;
-webkit-transform: scale(1) translate(5px,130px);
-moz-transform: scale(1) translate(5px,130px);
-o-transform: scale(1) translate(5px,130px);
transform: scale(1) translate(5px,130px);
};
}
.smoke .s0,.smoketwo .s0,.smokethree .s0 {
-webkit-animation: smokeL 10s 0s infinite;
-moz-animation: smokeL 10s 0s infinite;
-o-animation: smokeL 10s 0s infinite;
animation: smokeL 10s 0s infinite;
}
.smoke .s1,.smoketwo .s1,.smokethree .s1 {
-webkit-animation: smokeR 10s 1s infinite;
-moz-animation: smokeR 10s 1s infinite;
-o-animation: smokeR 10s 1s infinite;
animation: smokeR 10s 1s infinite;
}
.smoke .s2,.smoketwo .s2,.smokethree .s2 {
-webkit-animation: smokeL 10s 2s infinite;
-moz-animation: smokeL 10s 2s infinite;
-o-animation: smokeL 10s 2s infinite;
animation: smokeL 10s 2s infinite;
}
.smoke .s3,.smoketwo .s3,.smokethree .s3 {
-webkit-animation: smokeR 10s 3s infinite;
-moz-animation: smokeR 10s 3s infinite;
-o-animation: smokeR 10s 3s infinite;
animation: smokeR 10s 3s infinite;
}
.smoke .s4,.smoketwo .s4,.smokethree .s4 {
-webkit-animation: smokeL 10s 4s infinite;
-moz-animation: smokeL 10s 4s infinite;
-o-animation: smokeL 10s 4s infinite;
animation: smokeL 10s 4s infinite;
}
.smoke .s5,.smoketwo .s5,.smokethree .s5 {
-webkit-animation: smokeR 10s 5s infinite;
-moz-animation: smokeR 10s 5s infinite;
-o-animation: smokeR 10s 5s infinite;
animation: smokeR 10s 5s infinite;
}
.smoke .s6,.smoketwo .s6,.smokethree .s6 {
-webkit-animation: smokeL 10s 6s infinite;
-moz-animation: smokeL 10s 6s infinite;
-o-animation: smokeL 10s 6s infinite;
animation: smokeL 10s 6s infinite;
}
.smoke .s7,.smoketwo .s7,.smokethree .s7 {
-webkit-animation: smokeR 10s 7s infinite;
-moz-animation: smokeR 10s 7s infinite;
-o-animation: smokeR 10s 7s infinite;
animation: smokeR 10s 7s infinite;
}
.smoke .s8,.smoketwo .s8,.smokethree .s8 {
-webkit-animation: smokeL 10s 8s infinite;
-moz-animation: smokeL 10s 8s infinite;
-o-animation: smokeL 10s 8s infinite;
animation: smokeL 10s 8s infinite;
}
.smoke .s9,.smoketwo .s9,.smokethree .s9 {
-webkit-animation: smokeR 10s 9s infinite;
-moz-animation: smokeR 10s 9s infinite;
-o-animation: smokeR 10s 9s infinite;
animation: smokeR 10s 9s infinite;
}