* {
  color: #ffffff;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  background-color: #000000;
  display: block;
  width: 100%;
  height: 100%;
  font-size: 1.1rem;
}

main {
  margin: 0 auto;
  max-width: 50rem;
}

footer {
  display: flex;
  flex-direction: column;
  min-height: 7rem;
  justify-content: space-between;
  text-align: center;
  padding: 1rem;
  width: 100%;
}

nav,
article,
footer {
  background-color: #2c2c2c;
}

/* navigation bar styling */
nav ul {
  display: flex;
  flex-direction: row;
  justify-content: center;
  list-style-type: none;
}

nav a {
  color: #ffffff;
  display: block;
  padding: 1rem;
  text-decoration: none;
}

.active,
nav a:hover {
  background-color: #6d6d6d;
}
/* end of navigation bar styling */

/* article styling */
article {
  padding: 2rem;
  border-radius: 25px;
  margin: 2rem 0;
}

article header,
article p,
article h2 {
  padding-bottom: 1.5rem;
}

article h2 {
  font-size: 1.2rem;
}

article section:not(:last-child) {
  padding-bottom: 2.5rem;
}

article img {
  border-radius: 25px;
  width: 100%;
  margin-bottom: 2rem;
}

article ol,
article ul {
  padding-left: 4rem;
}

article a,
footer a {
  color: #6969eb;
}

article a:visited,
footer a:visited {
  color: #7979b8;
}
/* end of article styling */

iframe {
  display: block;
  margin: 0 auto;
  padding-bottom: 2rem;
  width: 100%;
  height: 25rem;
}

code {
  background-color: #1a1a1a;
  margin: 1rem 0;
  padding: 0.5rem;
  display: block;
}

.quote {
  padding: 2rem;
}