演示：
/demo/waveAnimation/
这是一款使用CSS3 animation动画和png图片制作的css3线条波浪动画效果。该特效中，使用了3张波浪线条的png图片，以及少量的CSS代码，制作出逼真的线条波浪动画效果。
HTML结构
该css3线条波浪动画效果的HTML结构如下：
CSS样式
然后通过下面的CSS代码来制作线条波浪动画效果。
@keyframes move_wave {
0% {
transform: translateX(0) translateZ(0) scaleY(1)
}
50% {
transform: translateX(-25%) translateZ(0) scaleY(0.55)
}
100% {
transform: translateX(-50%) translateZ(0) scaleY(1)
}
}
.waveWrapper {
overflow: hidden;
position: absolute;
left: 0;
right: 0;
bottom: 0;
top: 0;
margin: auto;
}
.waveWrapperInner {
position: absolute;
width: 100%;
overflow: hidden;
height: 100%;
bottom: -1px;
background-image: linear-gradient(to top, #86377b 20%, #27273c 80%);
}
.bgTop {
z-index: 15;
opacity: 0.5;
}
.bgMiddle {
z-index: 10;
opacity: 0.75;
}
.bgBottom {
z-index: 5;
}
.wave {
position: absolute;
left: 0;
width: 200%;
height: 100%;
background-repeat: repeat no-repeat;
background-position: 0 bottom;
transform-origin: center bottom;
}
.waveTop {
background-size: 50% 100px;
}
.waveAnimation .waveTop {
animation: move-wave 3s;
-webkit-animation: move-wave 3s;
-webkit-animation-delay: 1s;
animation-delay: 1s;
}
.waveMiddle {
background-size: 50% 120px;
}
.waveAnimation .waveMiddle {
animation: move_wave 10s linear infinite;
}
.waveBottom {
background-size: 50% 100px;
}
.waveAnimation .waveBottom {
animation: move_wave 15s linear infinite;
}
