.swiper-container{ position: relative;}

.swiper-button-prev{ width: 30px; padding-left: 5px; height: 100%; top: 22px; left: 0px; text-align: center}
.swiper-button-prev:after, 
.swiper-container-rtl .swiper-button-next:after {content: '';}

.swiper-button-next{ width: 30px; padding-right: 5px; height: 100%; top: 22px; right: 0px}
.swiper-button-next:after, 
.swiper-container-rtl .swiper-button-prev:after { content: '';}