body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: medium;
  background-color: #F0F0F0;
}

p {
  font-size: 18px;
}

.navigation {
  overflow: auto;
  background-color: #8CA7F4;
}

.navigation .nav-item {
  color: #551A8B;
  font-size: 12pt;
  float: left;
  text-align: center;
  padding: 10px 10px;
  text-decoration: none;
}

.navigation .nav-item:hover {
  background-color: #BDBDBD;
}

button.nav-item {
  background: none;
  color: inherit;
  border: none;
  padding: inherit;
  font: inherit;
  font-size: inherit;
  cursor: pointer;
  outline: inherit;
}

#content {
  max-width: 800px;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-list-item {
  display: block;
  padding-left: 4px;
  background-color: #E0E0E0;
  box-shadow: 5px 5px #88888850;
}

footer {
  text-align: center;
}