/* 1. Change the arrow color to a dark slate */
[class*="arrow"], [class*="nav"], .zm-carousel-control {
    color: #1A202C !important; 
    fill: #1A202C !important;
}

/* 2. Push the left arrow further to the left */
[class*="prev"], .left.zm-carousel-control {
    transform: translateX(-25px) !important;
}

/* 3. Push the right arrow further to the right */
[class*="next"], .right.zm-carousel-control {
    transform: translateX(25px) !important;
}