.certificate_page .nav_items{display:flex;align-items:center;justify-content:space-around;padding:10px 20px;background-color:#fff}.certificate_page .nav_items .nav_item{width:44%;height:39px;border-radius:5px;box-shadow:0 1px 2px #4a4a4a;line-height:35px;font-weight:700;letter-spacing:1px;box-sizing:border-box}.certificate_page .nav_items .nav_item.active{border-bottom:3px solid #0052ff}.certificate_page .content{background-color:#fff;padding:10px;text-align:left}.certificate_page .content .img_content{width:100%}.certificate_page .content img{width:100%;max-width:100%}.certificate_page .content p img{max-width:100%}