* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  padding-bottom: 55px;
  font-family: Arial, sans-serif;
  color: #111;
  background-color: #fff;
}

header {
  padding: 20px;
  text-align: center;
}

header h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

header p {
  margin: 0;
}

main {
  width: 80%;
  max-width: 900px;
  margin: 0 auto;
  padding: 15px 0 40px;
}

.articles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

article {
  border: 1px solid #333;
  background-color: #fff;
}

article:first-child {
  grid-column: 1 / -1;
}

article img {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-bottom: 1px solid #333;
}

article:first-child img {
  height: 190px;
}

article h2 {
  margin: 10px 12px 5px;
  font-size: 1rem;
}

article p {
  margin: 0 12px 10px;
  font-size: 0.9rem;
  line-height: 1.4;
}

article a {
  display: inline-block;
  margin: 0 12px 12px;
  padding: 6px 10px;
  border: 1px solid #333;
  color: #111;
  font-size: 0.85rem;
  text-decoration: none;
}

article a:hover,
article a:focus {
  background-color: #111;
  color: #fff;
}

footer {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 15px;
  text-align: center;
  border-top: 1px solid #333;
  background-color: #fff;
}

footer p {
  margin: 0;
}

@media (max-width: 700px) {
  .articles {
    grid-template-columns: 1fr;
  }

  article:first-child {
    grid-column: auto;
  }
}