.video-bg{filter:brightness(.5) grayscale(80%)}.detailng:before{background-image:url(../bg.webp);background-position:50% 50%;background-repeat:no-repeat;background-size:cover;content:" ";display:block;height:100%;left:0;max-height:700px;opacity:.4;position:absolute;top:0;width:100%;z-index:-1}.advantage-card{background:#121212;background-repeat:no-repeat;background-size:cover;border-radius:5px;box-sizing:border-box;max-width:260px;min-height:300px;padding:26px 36px;position:relative;transition:all 3s;width:100%}.advantage-card:hover{background-size:120%}.advantage-card-text{bottom:0;box-sizing:border-box;left:0;padding:20px;position:absolute}@media (max-width:576px){.advantage-card{min-height:200px}}.advantages-cards{box-sizing:border-box;display:grid;gap:20px;grid-template-columns:repeat(4,1fr);justify-content:space-around;width:100%}@media (max-width:576px){.advantages-cards{gap:10px;grid-template-columns:repeat(2,1fr)}}.about-us{align-items:center;display:flex;flex-wrap:wrap;gap:80px}.our-mis{align-items:center;background-image:url(../img/bg-mis.png);display:flex;height:300px;justify-content:center;text-align:center}