.certificate{background:url(/img/bkd.jpg)}.certificate .certificate_img{display:flex;justify-content:center;justify-content:space-evenly}.certificate .certificate_img div{padding:20px 0}@media screen and (max-width:767px){.certificate .certificate_img{display:flex;margin:auto;width:100%}.certificate .certificate_img div{margin-right:0;padding:10px 0}}@media (max-width:540px){.container{margin:0 auto;max-width:1600px!important;padding-left:15px!important;padding-right:15px!important;width:100%!important}}@media (max-width:768px){header{box-shadow:0 0 6px #eee;height:4rem}}@media (max-width:415px){.mob-menu{height:1.4rem;width:1.9rem}}@media screen and (max-width:768px){.head-box{top:calc(80px + 1rem)}.search-box{font-size:16px;height:56px;margin:.3rem 23px;opacity:1;position:static}.search-box #btnSearch i{color:#004da1;font-size:1.2rem}.nav{border-radius:0;left:22px;margin-bottom:0;margin-left:7%;margin-top:4%;min-height:60px;right:0;top:33px;transition:color,background .3s ease-in-out;width:90%;z-index:999}.nav li{padding:9px}.search-box{width:88%}}@media (max-width:768px){.mobbotact{height:4rem}.mobile-bottom-item i{display:block;font-size:1.75rem;margin-bottom:0}.mobile-bottom-item{font-size:1rem;text-align:center;text-transform:uppercase;width:25%}}