body {
  font-family: arial;
  margin: 0;
  padding: 0;
}

header, nav, footer {
  padding: 1rem;
  text-align: center;
}

header {
  background: #000000;
    padding: 1rem;
    margin: 1rem 0;
}

nav {
  background: #000000;
    padding: 1rem;
}

main {
  display: flex;
  gap: 1rem;
  padding: 1rem;
}

article {
  flex: 3;
  background: #000000;
  padding: 1rem;
}

aside {
  flex: 1;
  background: #000000;
  padding: 1rem;
}


  background: #000000;
  padding: 1rem;
  margin: 1rem 0;
}

footer {
  
}

body {
    background-image: url("https://files.catbox.moe/34krye.jpg");
    background-color: #000000;
    background-repeat: round;
    background-position: center;
    background-size: cover;
    height: 100vh;
}

body {
  color: #ffffff;
}

a {text-decoration: none; color: red; }

.avatar {
  width: 175px;
  height: auto;
}