.facebook{
    background-image: url("platillos/facebook.png");
    -webkit-animation: play 1.3s steps(25) infinite alternate;
       -moz-animation: play 1.3s steps(25) infinite alternate;
        -ms-animation: play 1.3s steps(25) infinite alternate;
         -o-animation: play 1.3s steps(25) infinite alternate;
            animation: play 1.3s steps(25) infinite alternate;
}
.twiter{
    background-image: url("platillos/twiter.png");
    -webkit-animation: play2 1.3s steps(25) infinite alternate;
       -moz-animation: play2 1.3s steps(25) infinite alternate;
        -ms-animation: play2 1.3s steps(25) infinite alternate;
         -o-animation: play2 1.3s steps(25) infinite alternate;
            animation: play2 1.3s steps(25) infinite alternate;
}
.linkedin{
    background-image: url("platillos/linkedin.png");
    -webkit-animation: play4 1.3s steps(25) infinite alternate;
       -moz-animation: play4 1.3s steps(25) infinite alternate;
        -ms-animation: play4 1.3s steps(25) infinite alternate;
         -o-animation: play4 1.3s steps(25) infinite alternate;
            animation: play4 1.3s steps(25) infinite alternate;
}
.youtube{
    background-image: url("platillos/youtube.png");
    -webkit-animation: play3 1.3s steps(25) infinite alternate;
       -moz-animation: play3 1.3s steps(25) infinite alternate;
        -ms-animation: play3 1.3s steps(25) infinite alternate;
         -o-animation: play3 1.3s steps(25) infinite alternate;
            animation: play3 1.3s steps(25) infinite alternate;
}

@-webkit-keyframes play4 {
   from { background-position:    0px; }
     to { background-position: -2250px; }
}

@-moz-keyframes play4 {
   from { background-position:    0px; }
     to { background-position: -2250px; }
}

@-ms-keyframes play4 {
   from { background-position:    0px; }
     to { background-position: -2250px; }
}

@-o-keyframes play4 {
   from { background-position:    0px; }
     to { background-position: -2250px; }
}

@keyframes play4 {
   from { background-position:    0px; }
     to { background-position: -2250px; }
}

@-webkit-keyframes play3 {
   from { background-position:    0px; }
     to { background-position: -2750px; }
}

@-moz-keyframes play3 {
   from { background-position:    0px; }
     to { background-position: -2750px; }
}

@-ms-keyframes play3 {
   from { background-position:    0px; }
     to { background-position: -2750px; }
}

@-o-keyframes play3 {
   from { background-position:    0px; }
     to { background-position: -2750px; }
}

@keyframes play3 {
   from { background-position:    0px; }
     to { background-position: -2750px; }
}

@-webkit-keyframes play2 {
   from { background-position:    0px; }
     to { background-position: -2500px; }
}

@-moz-keyframes play2 {
   from { background-position:    0px; }
     to { background-position: -2500px; }
}

@-ms-keyframes play2 {
   from { background-position:    0px; }
     to { background-position: -2500px; }
}

@-o-keyframes play2 {
   from { background-position:    0px; }
     to { background-position: -2500px; }
}

@keyframes play2 {
   from { background-position:    0px; }
     to { background-position: -2500px; }
}

@-webkit-keyframes play {
   from { background-position:    0px; }
     to { background-position: -2050px; }
}

@-moz-keyframes play {
   from { background-position:    0px; }
     to { background-position: -2050px; }
}

@-ms-keyframes play {
   from { background-position:    0px; }
     to { background-position: -2050px; }
}

@-o-keyframes play {
   from { background-position:    0px; }
     to { background-position: -2050px; }
}

@keyframes play {
   from { background-position:    0px; }
     to { background-position: -2050px; }
}