/*动画效果*/
/* 定义keyframe动画，命名为iflash */
@keyframes iflash{
  0%{opacity: 1;}
  50%{opacity: 1;}
  50.01%{opacity: 0;} /* 注意这里定义50.01%立刻透明度为０，可以设置闪烁效果 */
  100%{opacity: 0;} 
}
/* 添加兼容性前缀 */
@-webkit-keyframes iflash {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}
@-moz-keyframes iflash {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}
@-ms-keyframes iflash {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}
@-o-keyframes iflash {
    0% { opacity: 1; }
    50% { opacity: 1; }
    50.01% { opacity: 0; }
    100% { opacity: 0; }
}
/* 定义iflash类*/
.iflash{
    animation: iflash .75s linear infinite;  
    /* 其它浏览器兼容性前缀 */
    -webkit-animation: iflash .75s linear infinite;
    -moz-animation: iflash .75s linear infinite;
    -ms-animation: iflash .75s linear infinite;
    -o-animation: iflash .75s linear infinite;
    color: #dd4814;
}