body {
  background-color: black;
  color: white;
  font-family: Arial;
  text-align: center;
  
}

main {
  border: 4px solid white;
  padding: 20px;
  margin: 20px auto;
  max-width: 900px;
  background-color: black;
}
a {
  color: red; 
  text-decoration: none; 
}

a:link {
  color: red; 
}

a:visited {
  color: orange; 
}

a:hover {
  color: orange; 
  text-decoration: underline; 
}

a:active {
  color: red;
}
.page-wrapper {
  display: flex;
  flex-direction: row;
  max-width: 1200px;
  margin: 0 auto;
  gap: 20px;
  align-items: flex-start;
  text-align: left;
}

.sidebar, .sidebar2 {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.sidebar img, .sidebar2 img {
  width: 100%;
  border-radius: 6px;
}

  .sidebar2 {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  border: 3px solid white;
  background-image: url('space1.gif');
  background-size: cover;
  background-position: center;
  padding: 10px;
  border-radius: 6px;
  min-height: 400px;
  background-color: rgba(0,0,0,0.5);
}

}