.background-image {
  padding: 20px;
  background: #000 url("https://www.transparenttextures.com/patterns/subtle-grey.png") repeat;
}

h2:not(.example h2, .accordion-header),
h3:not(.example h3, .accordion-header) {
  margin-top: 40px;
}

h4:not(.example h4, .accordion-header) {
  margin-top: 30px;
}

.navbar {
  padding-top: 60px;
  padding-bottom: 40px;
}

main ul li {
  margin-bottom: 10px;
}

code {
  color: #a50053;
}

main a {
  color: rgb(0, 0, 175);
}

.responsive-iframe {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#sa11y-dev-mode {
  width: 180px;
  margin: 0 auto;
  border-bottom-right-radius: .25em;
  border-bottom-left-radius: .25em;
}

.example {
  position: relative;
  padding: 30px;
  margin-top: 15px;
  margin-bottom: 15px;
  background: rgb(236, 236, 236);
  border: 2px dashed rgb(158, 158, 158);
}

blockquote {
  position: relative;
  width: 100%;
  padding: 20px;
  margin: .8rem auto;
  font-size: 1.25rem;
  line-height: 1.6;
  color: #3d3d3d;
  background-color: #e2efff;
  border-left: .5rem solid rgba(0, 123, 255, .54);
}

footer {
  padding-top: 3rem;
  padding-bottom: 3rem;
}