.hero_in.general{position:relative;background-color:#000;background-image:url(../images/about/about-header.webp);background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease-in-out}main{z-index:1;position:relative;background-color:#f8f8f8}.main_title_2 span.line{width:120px;height:2px;background-color:#e1e1e1;display:block;margin:auto}.main_title_2 span.line em{width:60px;height:2px;display:block;margin:auto}.fade-in{opacity:0;transform:translateY(50px);transition:opacity 1s ease-out,transform 1s ease-out}.fade-in.visible{opacity:1;transform:translateY(0)}