@keyframes rotateInDownLeft
{
    from
    {
        transform-origin: left bottom;
        transform: rotate3d(0,0,1,-45deg);
        opacity: 0;
    }
    to
    {
        transform-origin: left bottom;
        transform: none;
        opacity: 1;
    }
}
.rotateInDownLeft
{
    animation-name: rotateInDownLeft;
}