body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: black;
  color: white;
}

.hero {
    width: 100%;
    height: auto;
    display: block;
}

.logo_div {
    min-height: 100vh;
    background-image: url("/caffeinatedscience_com.jpg");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}