* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  height: 100%;
  font-family: 'Nunito', sans-serif;
}

.container {
  position: relative;
  background: url('images/businessman-drawing-increases-graph-virtual-screen.jpg') no-repeat center center/cover;
  height: 100vh;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
  z-index: 1;
}

.container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.1));
  z-index: -1;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
  position: relative;
}

.logo {
  height: 160px;
}

.contact {
  font-size: 1rem;
}

.contact a {
  color: white;
  text-decoration: none;
}

/*main {*/
/*  max-width: 800px;*/
/*  z-index: 2;*/
/*  position: relative;*/
/*}*/

main h1 {
  font-size: 40px;
  font-weight: 900;
  margin-bottom: 20px;
}

main p {
  font-size: 1.2rem;
  line-height: 1.8;
}

footer {
  font-size: 1rem;
  font-weight: 400;
  z-index: 2;
  position: relative;
}

.tagline {
  font-style: italic;
}