I've尝试过添加额外的关键帧(0%,1%,100%或0%,99%,100%),将-webkit-animation-fill-mode设置为向前,以及在其他线程中提到的-webkit-backface-visibility:hidden;技巧,但我仍然在Safari 7(桌面和iOS)的css关键帧动画开始时看到闪烁。 Chrome似乎没有闪烁。
JSBin:http://jsbin.com/julor/2/edit HTML:
JSBin:http://jsbin.com/julor/2/edit HTML:
<div class="ripple"></div>
CSS:
body {
background-color: #90CBEA;
}
.ripple, .ripple:before, .ripple:after {
background-image: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, .15) 100%);
border-radius: 50%;
position: absolute;
top: 50%; left: 50%;
-webkit-transform: translateX(-50%) translateY(-50%);
}
.ripple:before, .ripple:after {
content: '';
display: block;
}
.ripple {
-webkit-animation-name: innerRipple;
-webkit-animation-duration: 3s;
-webkit-animation-iteration-count: infinite;
-webkit-animation-timing-function: ease-out;
&:before {
-webkit-animation-name: ripple;
-webkit-animation-duration: 3s;
-webkit-animation-iteration-count: infinite;
-webkit-animation-timing-function: ease-out;
}
&:after {
-webkit-animation-name: outerRipple;
-webkit-animation-duration: 3s;
-webkit-animation-iteration-count: infinite;
-webkit-animation-timing-function: ease-out;
}
}
@-webkit-keyframes innerRipple {
from {
height: 0px;
width: 0px;
opacity: 1;
}
to {
height: 200px;
width: 200px;
opacity: 0;
}
}
@-webkit-keyframes ripple {
from {
height: 0px;
width: 0px;
opacity: 1;
}
to {
height: 300px;
width: 300px;
opacity: 0;
}
}
@-webkit-keyframes outerRipple {
from {
height: 0px;
width: 0px;
opacity: 1;
}
to {
height: 340px;
width: 340px;
opacity: 0;
}
}