html {
  box-sizing: border-box;
  font-family: sans-serif;
}

*, *:before, *:after {
  box-sizing: inherit;
}

html,
body {
  margin: 0;
  padding: 0;
  position: relative;
}

header {
  position: fixed;
  width: 100%;
  z-index: 1000;
}

header h1 {
  background-color: rgb(15, 15, 15);
  color: #fff;
  font-size: 1.5rem;
  margin: -91px 0 0 0;
  padding: 2rem 0 2rem 2rem;
  text-transform: lowercase;
}

.hero-image {
  background-attachment: fixed;
  background-image: url('images/markus-spiske-221494.jpg');
  background-size: cover;
  margin-top: 91px;
  min-height: 500px;
}

.hero-image-overlay {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 50px;
  text-align: center;
}

.hero-image-overlay div {
  align-items: center;
  background-color: rgba(0, 0, 0, .5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: -500px 0 0 0;
  min-height: 500px;
}

.hero-image-overlay h2 {
  display: flex;
  flex-direction: column;
  margin-top: 0;
  text-align: right;
}

.hero-image-overlay span.one {
  position: relative;
  left: -5rem;
}

.hero-image-overlay span.three {
  position: relative;
  left: 5rem;
}

/* .hero-image h3 {
  font-size: 1.75rem;
  letter-spacing: 2px;
}

.hero-image h3 span {
  margin: 0 .75rem;
} */

.container {
  display: grid;
  grid-template-columns: 33.3% 33.3% 33.3%;
  margin: 0 auto;
  width: 80vw;
}

.box {
  height: 300px;
  padding: 20px;
  margin-bottom: 50px;
}

.innerbox {
  background-color: #6ada55;
  border-radius: 5px;
  color: #fff;
  line-height: 1.5;
  min-height: 300px;
  padding: 20px 40px;
}

hr {
  border: 0;
  height: 1px;
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0));
}

footer {
  height: 100px;
}