.class {
    transform: rotate(30deg);
}

a {
    transition: transform 1s;
    transform: rotateX(45deg);
}
b {
    transform: translateX(45deg);
    transform-origin: 0 0;
}
em {
    transform: rotateZ(45deg);
}
@keyframes anim {
    from {
        transform: rotate(90deg);
    }
}

.class {
    transform-style: flat;
}