.hero_section{background:url(../images/hero_section/2.png);background-position:50%;background-repeat:no-repeat;background-size:cover;height:calc(100vh - 90px);-o-object-fit:cover;object-fit:cover}@media(max-width:768px){.hero_section{height:600px}}@media(max-width:1024px){.hero_section{height:475px}}