#myCarousel .left.carousel-control {
    left: 0;
}

#myCarousel .left.carousel-control .left-arr {
    left: 15%;
}

@media (max-width: 767px) {
    #myCarousel .left.carousel-control {
        left: 0%;
    }

    #myCarousel .left.carousel-control .left-arr {
        left: 0%;
    }
}