style.css

body {
  font-family: 'Slabo 27px', serif;
  background-image: url('img/sample-pattern.png');
  margin: 0 auto;
}

header {
  background-color: #FFF;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  width: 100%;
  position: fixed;
  top: 0;
  z-index: 10;
}

nav {
  float: right;
  margin-right: 40px;
  padding-top: 5px;
}

li {
  color: #4284d7;
  display: inline-block;
  margin-left: 40px;
  font-weight: 600;
}

li:hover {
    color: #5b93ef;
}

#logo {
  padding-left: 10px;
  padding-top: 10px;
}

section {
  width: 960px;
  margin: 100px auto;
}

a {
  text-decoration: none;
}

h1 {
  font-size: 40px;
  text-align: center;
  color: #34495e;
}

h3 {
  padding-left: 25px;
  color: #4284d7;
}

h5 {
  text-align: center;
}

p {
    padding-left: 25px;
}

article {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

#article-list {
  background-color: #FFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

footer {
  color: #FFF;
  background-color: #111;
  font-size: 18px;
  text-align: center;
  position: fixed;
  width: 100%;
  bottom: 0;
}