.hero-image{
	background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0.7)), to(rgba(0, 0, 0, 0.7))), url("../img/css-img/why-us.jpeg");
	background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("../img/css-img/why-us.jpeg");
	background-repeat: no-repeat;
	background-position: top;
	height: 100vh;
}
.section-contents{
	height: 100%;
}