.arrow {
    transition: transform 100ms ease-out;
    cursor: pointer;
    backface-visibility: hidden;
    position: absolute;
}
.arrow:hover {
    transform:scale(1.2);
}
.arrow-left {
    left: 0;
    transform: scale(-1, 1);
}
.arrow-left:hover {
    transform:scale(-1.2, 1.2);
}
.arrow-right {
    right: 0;
}