:root{--background-color:#ffffff;--default-color:#000000;--heading-color:#151515;--accent-color:#80e121;--accent-color-2:#ff4a17;--nav-color:#ffffff;}.hero{min-height:100vh;background:url("https://www.cerp.cz/www/de-alphaville-bohemia-7686/public/galerie/img/hero.webp") no-repeat center center fixed;}#hero:before{background:rgba(0,0,0,0.4);}