html,
body {
  width: 100%;
  height: 100%;
  background: #fff;
  color: #333;
  font-size: 10px;
  font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.container {
  width: 600px;
  margin: 0 auto;
  font-size: 1.6rem;
}

@media screen and (max-width: 480px) {
  .container {
    width: 100%;
  }
}

header {
  padding: 20px;
}

main {
  border: 1px solid #ddd;
  border-left: none;
  border-right: none;
}

.column {
  padding: 20px;
}

h1 {
  font-size: 2.6rem;
  color: #909090;
}

h2 {
  font-size: 2.8rem;
  font-weight: normal;
  border-bottom: px solid #f0f0f0;
}

.images-section {
  display: flex;
  justify-content: space-between;
}

.images-section img {
  width: 30%;
  height: 30%;
  display: block;
}

.contents-section {
}

a,
a:visited {
  color: #2196f3;
}

.content {
  margin-top: 16px;
}

th,
td {
  padding: 0.4rem 0;
}

th {
  width: 9rem;
}

.content {
  font-size: 1.4rem;
}

.content h3 {
  font-weight: bold;
  margin-top: 20px;
}

.content a {
  margin: 3px 0;
  display: block;
}

.content p {
  font-size: 1.2rem;
}

footer {
  height: 60px;
}