.sa {
    opacity: 0;
    transition: all .5s ease;
}

.sa.show {
    opacity: 1;
    transform: none;
}

.sa--lr {
    transform: translate(-100px, 0);
}

.sa--rl {
    transform: translate(100px, 0);
}

.sa--up {
    transform: translate(0, 100px);
}

.sa--down {
    transform: translate(0, -100px);
}

.sa--scaleUp {
    transform: scale(.5);
}

.sa--scaleDown {
    transform: scale(1.5);
}

.sa--rotateL {
    transform: rotate(180deg);
}

.sa--rotateR {
    transform: rotate(-180deg);
}

/*����*/