/* ===== 90s STYLE ===== */
body {
  margin: 0;
  font-family: "Courier New", monospace;
  background: black url('https://www.transparenttextures.com/patterns/stardust.png');
  color: lime;
}

header {
  position: relative;
}

header img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* NAV */
nav {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: rgba(0,0,0,0.8);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav a {
  color: red;
  text-decoration: none;
  padding: 10px 15px;
  font-size: 18px;
}

nav a:hover {
  background: lime;
  color: black;
}

/* LAYOUT */
.container {
  display: flex;
}

.sidebar {
  width: 20%;
  padding: 10px;
  border-right: 2px dashed lime;
}

.main {
  width: 80%;
  padding: 10px;
}

/* BLOG POSTS */
.post {
  border: 2px solid lime;
  margin-bottom: 15px;
  padding: 10px;
  background: rgba(0,0,0,0.7);
}

.post h2 {
  color: yellow;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 10px;
  border-top: 2px dashed lime;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .sidebar, .main {
    width: 100%;
  }

  nav {
    position: static;
  }

  nav a {
    flex: 1 1 50%;
    text-align: center;
  }

  header img {
    height: 150px;
  }
}