body {
  margin: 0;
  padding: 0;
  font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 16px;
  background-color: #ebebeb;
}
a:link {
  color: rgb(0, 144, 192);
  text-decoration: none;
}
a:visited {
  color: green;
}
code {
  background-color: #dddddd;
  padding: 20px;
  display: block;
  margin: 20px 0;
}
img {
  max-width: 100%;
}
.container {
  max-width: 1140px;
  margin: 0 auto;
}
.button, a.button {
  padding: 10px 25px;
  border: 1px solid #848484;
  border-radius: 3px;
  background-color: #ebebeb;
  color: #333333;
}
.button:hover, a.button:hover {
  border: 1px solid #222222;
}
header {
  border-bottom: 2px solid #dddddd;
  padding: 20px 0 10px;
}
.home {
  float: right;
}
.main-heading {
  font-size: 32px;
  text-transform: capitalize;
}
.subheading {
  font-size: 18px;
  line-height: 1.8rem;
}

.main-content {
  min-height: 70vh;
  background: #f4f4f4;
  margin: 30px 0;
  padding: 30px;
  border-radius: 5px;
  color: #444444;
}
.content-heading {
  font-size: 18px;
  font-family: 'Courier New', Courier, monospace;
  color: #acacac;
  padding-bottom: 30px;
}

article section {
  margin-bottom: 40px;
}

footer {
  font-size: 14px;
  padding: 20px 0 30px;
}