html - CSS bounceInDown效果不起作用

我正在尝试实现on this webpage之类的“ bounceInDown”效果，但是什么也没有发生。你知道哪里出问题了吗？参见jsfiddle：http://jsfiddle.net/N2Yx9/

HTML：

<div id="box" class="bounceInDown">test</div>

CSS：

#box {
    position: absolute;
    top: 317px;
    left: 295px;
    padding: 20px 20px 20px 55px;
    text-decoration: none;
    background:#0F6
}

/*
Animate.css - http://daneden.me/animate
*/

.animated{-webkit-animation-fill-mode:both;-moz-animation-fill-mode:both;-ms-animation-fill-mode:both;-o-animation-fill-mode:both;animation-fill-mode:both;-webkit-animation-duration:1s;-moz-animation-duration:1s;-ms-animation-duration:1s;-o-animation-duration:1s;animation-duration:1s;}.animated.hinge{-webkit-animation-duration:2s;-moz-animation-duration:2s;-ms-animation-duration:2s;-o-animation-duration:2s;animation-duration:2s;}@-webkit-keyframes fadeIn {
    0% {opacity: 0;}    100% {opacity: 1;}
}

@-moz-keyframes fadeIn {
    0% {opacity: 0;}
    100% {opacity: 1;}
}

@-o-keyframes fadeIn {
    0% {opacity: 0;}
    100% {opacity: 1;}
}

@keyframes fadeIn {
    0% {opacity: 0;}
    100% {opacity: 1;}
}

.fadeIn {
    -webkit-animation-name: fadeIn;
    -moz-animation-name: fadeIn;
    -o-animation-name: fadeIn;
    animation-name: fadeIn;
}
@-webkit-keyframes fadeInDownBig {
    0% {
        opacity: 0;
        -webkit-transform: translateY(-2000px);
    }

    100% {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

@-moz-keyframes fadeInDownBig {
    0% {
        opacity: 0;
        -moz-transform: translateY(-2000px);
    }

    100% {
        opacity: 1;
        -moz-transform: translateY(0);
    }
}

@-o-keyframes fadeInDownBig {
    0% {
        opacity: 0;
        -o-transform: translateY(-2000px);
    }

    100% {
        opacity: 1;
        -o-transform: translateY(0);
    }
}

@keyframes fadeInDownBig {
    0% {
        opacity: 0;
        transform: translateY(-2000px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeInDownBig {
    -webkit-animation-name: fadeInDownBig;
    -moz-animation-name: fadeInDownBig;
    -o-animation-name: fadeInDownBig;
    animation-name: fadeInDownBig;
}
@-webkit-keyframes bounceInDown {
    0% {
        opacity: 0;
        -webkit-transform: translateY(-2000px);
    }

    60% {
        opacity: 1;
        -webkit-transform: translateY(30px);
    }

    80% {
        -webkit-transform: translateY(-10px);
    }

    100% {
        -webkit-transform: translateY(0);
    }
}

@-moz-keyframes bounceInDown {
    0% {
        opacity: 0;
        -moz-transform: translateY(-2000px);
    }

    60% {
        opacity: 1;
        -moz-transform: translateY(30px);
    }

    80% {
        -moz-transform: translateY(-10px);
    }

    100% {
        -moz-transform: translateY(0);
    }
}

@-o-keyframes bounceInDown {
    0% {
        opacity: 0;
        -o-transform: translateY(-2000px);
    }

    60% {
        opacity: 1;
        -o-transform: translateY(30px);
    }

    80% {
        -o-transform: translateY(-10px);
    }

    100% {
        -o-transform: translateY(0);
    }
}

@keyframes bounceInDown {
    0% {
        opacity: 0;
        transform: translateY(-2000px);
    }

    60% {
        opacity: 1;
        transform: translateY(30px);
    }

    80% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0);
    }
}

.bounceInDown {
    -webkit-animation-name: bounceInDown;
    -moz-animation-name: bounceInDown;
    -o-animation-name: bounceInDown;
    animation-name: bounceInDown;
}

最佳答案

您必须添加两个类。 animated类，用于将项目指定为动画。然后bounceInDown定义什么类型的动画。

<div id="box" class="animated bounceInDown">test</div>

Updated Fiddle here

关于html - CSS bounceInDown效果不起作用，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/16999740/