body {
  padding: 15px;
  margin: 0 auto;
  max-width: 1200px;
}

#header {
  display: flex;
  align-items: center;
}
#header #text {
  line-height: 0.8;
}
#header small {
  font-size: 0.5em;
}
#header #logo {
  height: 100px;
  margin-right: 20px;
}

footer {
  display: flex;
  justify-content: space-between;
}

/* Code block */
article pre {
  background-color: #f6f8fa !important;
  border-radius: 3px;
  padding: 16px;
  line-height: 1.45;
}

article blockquote {
  border-left: 3px solid #8b949e;
  padding-left: 16px;
}

/* Discord widget */
iframe {
  border: none;
}
iframe.unless-mobile {
  float: right;
  width: 250px;
  height: 350px;
  margin-left: -39px;

  transform-origin: top right;
  transform: scale(0.8);
}
iframe.if-mobile {
  margin: -35px auto;
  height: 280px;
  transform: scale(0.8);
}

/* Homebrewed CSS-only tooltip */
.custom-tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted black;
}
.custom-tooltip > a {
  position: absolute;
  width: 160px;
  margin-left: -80px;
  top: 100%;
  left: 50%;

  color: #eee;
  font-size: 0.8rem;
  text-decoration: underline;
  text-align: center;

  background-color: #333;
  border-radius: 8px;
  padding: 3px 0;

  opacity: 0;
  transition: opacity 0.2s;
}
.custom-tooltip:hover > a {
  opacity: 1;
}

@media (min-width: 576px) {
  /* Show only on big screen */
  .if-mobile {
    display: none;
  }
}

/* Mobile support */
@media (max-width: 575.98px) {
  /* Show only on small screen */
  .unless-mobile {
    display: none;
  }

  #header #text {
    font-size: 0.75em;
  }
  #header #logo {
    height: 50px;
    margin-right: 10px;
  }
  footer {
    font-size: 0.8em;
  }
}

/* GitHub Corner */
.github-corner > svg {
  fill: #151513;
  color: #fff;
  position: absolute;
  top: 0;
  border: 0;
  right: 0;
}
.github-corner .octo-arm {
  transform-origin: 130px 106px;
}
.github-corner:hover .octo-arm {
  animation: octocat-wave 560ms ease-in-out;
}
@keyframes octocat-wave {
  0%,
  100% {
    transform: rotate(0);
  }
  20%,
  60% {
    transform: rotate(-25deg);
  }
  40%,
  80% {
    transform: rotate(10deg);
  }
}
@media (max-width: 500px) {
  .github-corner:hover .octo-arm {
    animation: none;
  }
  .github-corner .octo-arm {
    animation: octocat-wave 560ms ease-in-out;
  }
}