hover spacing

<style>
a:hover {
letter-spacing:1.5px;
transition:.3s;
}
a { letter-spacing:normal; transition:.3s;}
.hover {
-webkit-transform: rotateZ(350deg);
transform: rotateZ(350deg);
z-index:222222;
animation: pop 1s infinite;
-webkit-animation: pop 1s infinite;
}
@keyframes pop {
from {
transform:scale(0.90)
}
50% {
transform:scale(1.01)
}
to {
transform:scale(0.90)
}
}
@-webkit-keyframes pop {
from {
-webkit-transform:scale(0.95)
}
50% {
-webkit-transform:scale(1)
}
to {
-webkit-transform:scale(0.95)
}
}
</style>