CSS3如何实现绚丽的动画效果

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        body{background:#000;}

        h2

        {

            text-align:center;

            color:#fff;

            font-size:48px;

            text-shadow: 1px 1px 1px #ccc,

                       0 0 10px #fff,

                       0 0 20px #fff,

                       0 0 30px #fff,

                       0 0 40px #ff00de,

                       0 0 70px #ff00de,

                       0 0 80px #ff00de,

                       0 0 100px #ff00de,

                       0 0 150px #ff00de;

            transform-style: preserve-3d;

            -moz-transform-style: preserve-3d;

            -webkit-transform-style: preserve-3d; 

            -ms-transform-style: preserve-3d;            

            -o-transform-style: preserve-3d;             

            animation: run  ease-in-out 9s infinite;

            -moz-animation: run  ease-in-out 9s infinite ;

            -webkit-animation: run  ease-in-out 9s infinite;  

            -ms-animation: run  ease-in-out 9s infinite;  

            -o-animation: run  ease-in-out 9s infinite;

          }

        @keyframes run

        {

            0% {transform:rotateX(-5deg) rotateY(0);}

            50%

            {

                transform:rotateX(0) rotateY(180deg); 

                text-shadow: 1px  1px 1px #ccc,

                           0 0 10px #fff,

                           0 0 20px #fff,

                           0 0 30px #fff,

                           0 0 40px #3EFF3E,

                           0 0 70px #3EFFff,

                           0 0 80px #3EFFff,

                           0 0 100px #3EFFee,

                           0 0 150px #3EFFee;

            }

            100% {transform:rotateX(5deg) rotateY(360deg);}

        }

        @-webkit-keyframes run

        {

            0% {transform:rotateX(-5deg) rotateY(0);}

            50%

            {

                transform:rotateX(0) rotateY(180deg); 

                text-shadow: 1px  1px 1px #ccc,

                           0 0 10px #fff,

                           0 0 20px #fff,

                           0 0 30px #fff,

                           0 0 40px #3EFF3E,

                           0 0 70px #3EFFff,

                           0 0 80px #3EFFff,

                           0 0 100px #3EFFee,

                           0 0 150px #3EFFee;

            }

            100% {transform:rotateX(5deg) rotateY(360deg);}

        }

        @-moz-keyframes run

        {

            0% {transform:rotateX(-5deg) rotateY(0);}

            50%

            {

                transform:rotateX(0) rotateY(180deg); 

                text-shadow: 1px  1px 1px #ccc,

                           0 0 10px #fff,

                           0 0 20px #fff,

                           0 0 30px #fff,

                           0 0 40px #3EFF3E,

                           0 0 70px #3EFFff,

                           0 0 80px #3EFFff,

                           0 0 100px #3EFFee,

                           0 0 150px #3EFFee;

            }

            100% {transform:rotateX(5deg) rotateY(360deg);}

        }

        @-ms-keyframes run

        {

            0% {transform:rotateX(-5deg) rotateY(0);}

            50%

            {

                transform:rotateX(0) rotateY(180deg); 

                text-shadow: 1px  1px 1px #ccc,

                           0 0 10px #fff,

                           0 0 20px #fff,

                           0 0 30px #fff,

                           0 0 40px #3EFF3E,

                           0 0 70px #3EFFff,

                           0 0 80px #3EFFff,

                           0 0 100px #3EFFee,

                           0 0 150px #3EFFee;

            }

            100% {transform:rotateX(5deg) rotateY(360deg);}

        }

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