.delay1X{
    animation-delay:0.5s;
    -webkit-animation-delay:0.5s; /* Safari 和 Chrome */
}
.delay2X{
    animation-delay:1s;
    -webkit-animation-delay:1s; /* Safari 和 Chrome */
}
.delay3X{
    animation-delay:1.5s;
    -webkit-animation-delay:1.5s; /* Safari 和 Chrome */
}
.delay4X{
    animation-delay:2s;
    -webkit-animation-delay:2s; /* Safari 和 Chrome */
}
.delay5X{
    animation-delay:2.5s;
    -webkit-animation-delay:2.5s; /* Safari 和 Chrome */
}
.delay6X{
    animation-delay:3s;
    -webkit-animation-delay:3s; /* Safari 和 Chrome */
}
.heartBeat{
    animation-name: heartBeat;
    -webkit-animation-name: heartBeat;

    animation-duration: 1.5s;
    -webkit-animation-duration: 1.5s;

    animation-iteration-count: infinite;
    -webkit-animation-iteration-count: infinite;
}

@keyframes heartBeat {
    0% {
        transform: scale(0.9);
        opacity: 0.7;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0.9);
        opacity: 0.7;
    }
}

@-webkit-keyframes heartBeat {
    0% {
        -webkit-transform: scale(0.95);
        opacity: 0.7;
    }
    50% {
        -webkit-transform: scale(1);
        opacity: 1;
    }
    100% {
        -webkit-transform: scale(0.95);
        opacity: 0.7;
    }
}