动画效果(兼容各个浏览器)

.destination1  .current{
        display:block;
        animation:danru 2s linear infinite;
        -webkit-animation:danru 2s linear alternate ;
        -moz-animation:danru 2s linear alternate ;
        -o-animation:danru 2s linear alternate ;
        -ms-animation:danru 2s linear alternate ;
    }  

    @keyframes danru{
        0%   {opacity:0.00;left:0px;   top:0px;}
        25%  {opacity:0.25;left:50px;  top:0px;}
        50%  {opacity:0.50;left:100px; top:0px;}
        75%  {opacity:0.75;left:150px; top:0px;}
        100% {opacity:1.0; left:200px; top:0px;}
    }
    
    @-webkit-keyframes danru{
        0%   {opacity:0.00;left:0px;   top:0px;}
        25%  {opacity:0.25;left:50px;  top:0px;}
        50%  {opacity:0.50;left:100px; top:0px;}
        75%  {opacity:0.75;left:150px; top:0px;}
        100% {opacity:1.0; left:200px; top:0px;}
    }
    @-moz-keyframes danru{
        0%   {opacity:0.00;left:0px;   top:0px;}
        25%  {opacity:0.25;left:50px;  top:0px;}
        50%  {opacity:0.50;left:100px; top:0px;}
        75%  {opacity:0.75;left:150px; top:0px;}
        100% {opacity:1.0; left:200px; top:0px;}
    }
    @-o-keyframes danru{
        0%   {opacity:0.00;left:0px;   top:0px;}
        25%  {opacity:0.25;left:50px;  top:0px;}
        50%  {opacity:0.50;left:100px; top:0px;}
        75%  {opacity:0.75;left:150px; top:0px;}
        100% {opacity:1.0; left:200px; top:0px;}
    }
    @-ms-keyframes danru{
        0%   {opacity:0.00;left:0px;   top:0px;}
        25%  {opacity:0.25;left:50px;  top:0px;}
        50%  {opacity:0.50;left:100px; top:0px;}
        75%  {opacity:0.75;left:150px; top:0px;}
        100% {opacity:1.0; left:200px; top:0px;}
    }