title {
  text-align: center;
}


body {
  background-color: white;
  color: black;
  font-family: Verdana;
  text-align: center;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

header {
    font-family: Helvetica;
}

.cover {
max-width: 100%;
height: auto;
border: 3px solid black;
}

.responsive {
max-width: 100%;
height: auto;
}

hr {
    display: block;
    height: 2px;
    border: 0;
    border-top: 1.5px solid black;
    margin: 1em 0;
    padding: 0;
}