.growMeOnHover span1 {
    text-decoration: none;
    -webkit-transition: 1s ease;
           -moz-transition: 1s ease;
         -o-transition: 1s ease;
            transition: 1s ease;
}

.growMeOnHover span1:hover {
    -webkit-transform: scale(1.1);
           -moz-transform: scale(1.1);
             -o-transform: scale(1.1);
            transform: scale(1.1);
}


.paused {
    -webkit-animation-play-state: paused;
    -moz-animation-play-state: paused;
    -o-animation-play-state: paused;
    animation-play-state: paused;
}