* {
  box-sizing: border-box;
  font-family: Roboto, sans-serif;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

p {
  margin: 0;
}

.content {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-wrap: wrap;
  margin: 10px 0;
}

.hidden {
  display: none;
}