.custom-swiper-btn {
    position: static !important; /* override default */
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #f1f1f1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-swiper-btn::after {
    font-size: 10px;
    color: #333;
}