body {
  display: flex;
  justify-content: center;
}

header {
  background-color: rgba(0, 0, 0, 0.2);
  font-size: 24px;
  font-weight: bold;
  padding: 10px;
}

p {
  margin: 5px 0px;
}

.container {
  margin: 10px;
  display: flex;
  align-items: center;
}

.item {
  display: inline-block;
  line-height: 1em;
}