.swiper_btn{
    background-color: white;
    box-shadow: 5px 5px 3px gray;
    color: navy;
    font-weight: 800;
    height: 40px;
    width: 40px;
    border-radius: 100%;
}

.swiper_btn::before,
.swiper_btn::after{
    font-size: 18px ;
}