.pser_tab{display:flex;align-items:center;width:100%}.pser_txt{width:50%;padding:50px;box-sizing:border-box}.pser_img{text-align:center;width:50%}.pser_img img{vertical-align:bottom}.pser_marg{width:100%;max-width:700px;margin:0 auto;box-sizing:border-box}@media (max-width:400px){.pser_tab{display:table;width:100%}.pser_img{display:table-header-group}.pser_txt{display:table-footer-group}.pser_marg{padding:50px 20px;display:inline-block}}@media (min-width:401px) and (max-width:767px),only screen
and (min-width :768px) and (max-width :1024px) and (orientation :portrait){.pser_tab{display:table;width:100%}.pser_img{display:table-header-group}.pser_txt{display:table-footer-group}.pser_marg{padding:50px 20px;display:inline-block}}@media (min-width:768px) and (max-width:999px),only screen
and (min-width :768px) and (max-width :1024px) and (orientation :landscape){.pser_tab{display:table;width:100%}.pser_img{display:table-header-group}.pser_txt{display:table-footer-group}.pser_marg{padding:50px 20px;display:inline-block}}@media (min-width:1000px) and (max-width:1200px) and (orientation :landscape){}@media (min-width:1201px) and (max-width:1366px) and (orientation :landscape){}@media (min-width:1367px) and (orientation :landscape){}