html {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  background-color: #0d1117;
}
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Source Code Pro', monospace;
  color: #e6edf3;
  background-color: #0d1117;
}
h1, h2, h3, h4, h5 {
  font-family: 'PT Serif', serif;
}
h1 {
  font-size: 1.6em;
}
.container {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 2em 0 2em;
}

/* header */
header {
  padding-top: 1em;
  padding-bottom: 3em;
}

/* footer */
footer {
  padding-top: 5em;
  padding-bottom: 2em;
  text-align: center;
  font-size: 0.9em;
}

.home-btn a,
#github_anchor {
  text-decoration: none;
  color: #94a4b5;
}
.home-btn a:hover,
.home-btn a:focus,
#github_anchor {
  text-decoration: none;
  color: #94a4b5;
}
#post_date {
  color: #6a737d;
}