html,
body {
  background-color: black;
  margin: 0;
  padding: 0;
}

.page-header {
  text-align: center;
}

.card {
  background-color: rgba(0, 0, 0, 0.9);
  color: rgb(250, 248, 248);
  margin: 0;
  padding: 0;
}

.header {
  background-color: black;
  margin: 0;
  padding: 0;
}

.img-header {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 600px;
}

.button {
  text-align: center;
}

.shiftRight {
  position: relative;
  right: -190px;
}

#clearLink {
  font-weight: bolder;
  text-decoration: none;
  font-style: italic;
}

#clearLink:hover {
  background: none;
  color: gold;
  opacity: 0.8;
}