我在一个元素上运行了一个简单的动画,该动画使用绝对定位使“星形”元素从一个地方移动到另一个地方。在移动到下一个位置之前,它会使用不透明度短暂地淡入和淡出,然后重复。这在Chrome和Firefox中可以正常工作,但是IE / Edge当然存在问题。最好在这里看到:Codepen
问题::在IE / Edge中,动画在第一次迭代中可以正确运行,但是一旦动画开始循环播放,不透明度和绝对位置的变化就会与“星标”正在淡入/淡出,但不应该这样。 Chrome显示了理想的动画步骤:淡入,淡出,移动,停止,重复。
代码如下:
@import url(https://fonts.googleapis.com/css?family=Mr+Dafoe);
@-webkit-keyframes star-effect {
0% {
left: -7%;
top: 44%;
opacity: 0;
}
5% {
opacity: 1;
}
10% {
left: -7%;
top: 44%;
opacity: 0;
}
35% {
left: 44%;
top: 0%;
opacity: 0;
}
40% {
opacity: 1;
}
45% {
left: 44%;
top: 0%;
opacity: 0;
}
70% {
left: 90%;
top: 6%;
opacity: 0;
}
75% {
opacity: 1;
}
80% {
left: 90%;
top: 6%;
opacity: 0;
}
100% {
left: -7%;
top: 44%;
opacity: 0;
}
}
body{
background: #000;
margin: 0;
padding: 50px;
font-size: 16px;
width: 100%;
font-family: "Helvetica Neue",helvetica,Arial,sans-serif;
overflow-x: hidden;
}
h1{
position: relative;
height: 1.35em;
line-height: 1;
font-size: 10rem;
margin: 0;
transition: font-size .2s linear;
}
h1 > span:nth-child(1){
position: absolute;
padding-left: 30px;
padding-right: 50px;
top: 0px;
font-family: 'Mr Dafoe', cursive;
font-size: .87em;
margin-top: 0px;
margin-bottom: 0;
color: #fd5afa;
text-shadow: -2px -2px 0 #FFBAF2;
-webkit-filter: drop-shadow(3px 3px 1px #441F62);
-webkit-transform: skew(-5deg,-5deg);
font-weight: normal;
z-index: 2;
-webkit-backface-visibility: hidden;
}
h1 span.star{
position: absolute;
display: block;
left: -7%;
top: 44%;
width: 80px;
height: 80px;
z-index: 4;
opacity: 0;
-webkit-animation-name: star-effect;
animation-name: star-effect;
-webkit-animation-duration: 6s;
animation-duration: 6s;
-webkit-animation-timing-function: linear;
animation-timing-function: linear;
-webkit-animation-iteration-count: infinite;
animation-iteration-count: infinite;
}
h1 span.star:before{
position: absolute;
content: '';
background-image: -webkit-radial-gradient(#fff 20%, transparent 80%);
width: 100%;
height: 2px;
display: block;
top: 50%;
}
h1 span.star:after{
position: absolute;
content: '';
background-image: -webkit-radial-gradient(#fff 0%, transparent 90%);
width: 2px;
height: 100%;
display: block;
left: 50%;
}
<body>
<h1>
<span>Word<span class="star"></span></span>
</h1>
</body>