/* Give centered post images room to breathe; the theme sets only a 2px margin. */
.post-content .figure.center {
  margin: 1.5em auto;
}

/* Skull-and-globe mark above the footer on the homepage. */
.home-mark {
  display: block;
  width: 56px;
  margin: 10px auto -55px;
}

/* The sidebar is transparent over the full-page #cover photo. A light tint
   and a text shadow keep the white sidebar text readable over the sky. */
#cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(17, 26, 35, 0.12);
}

#sidebar {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

/* On wide screens, fit the portrait cover photo to the 500px sidebar so the
   whole scene shows instead of only its top-left corner. */
@media only screen and (min-width: 1280px) {
  #cover {
    width: 500px;
    background-position: center;
  }
}

/* Photo beside the intro on the about page. */
.post-content img.about-photo {
  float: right;
  width: 38%;
  max-width: 300px;
  margin: 0.3em 0 1em 1.5em;
  border-radius: 6px;
}

@media (max-width: 600px) {
  .post-content img.about-photo {
    float: none;
    display: block;
    width: 70%;
    margin: 0 auto 1.5em;
  }
}