这个动画在最新版的Firefox上无法运行,但在Firefox 26上可以。我不知道为什么它不能正常工作。它只使用边框宽度和背景颜色。这是动画链接:http://jsfiddle.net/ts9AG/。
.loader.pulse {
width: 40px;
height: 40px;
border: 20px solid red;
box-sizing: border-box;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
border-radius: 50%;
-moz-border-radius: 50%;
-webkit-border-radius: 50%;
animation: Loader 1.3s linear 0 infinite;
-moz-animation: Loader 1.3s linear 0 infinite;
-webkit-animation: Loader 1.3s linear 0 infinite;
-o-animation: Loader 1.3s linear 0 infinite;
}
@-webkit-keyframes Loader {
0% {
background: #ddd;
border: 20px solid red;
}
49.9% {
background: #ddd;
border: 0px solid red;
}
50% {
background: red;
border: 20px solid #ddd;
}
100%{
background: red;
border: 0px solid #ddd;
}
}
@-moz-keyframes Loader {
0% {
background: #ddd;
border: 20px solid red;
}
49.9% {
background: #ddd;
border: 0px solid red;
}
50% {
background: red;
border: 20px solid #ddd;
}
100%{
background: red;
border: 0px solid #ddd;
}
}
@keyframes Loader {
0% {
background: #ddd;
border: 20px solid red;
}
49.9% {
background: #ddd;
border: 0px solid red;
}
50% {
background: red;
border: 20px solid #ddd;
}
100%{
background: red;
border: 0px solid #ddd;
}
}