:root {
  scroll-behavior: smooth;
  --screen-size-small: 30em; /* breakpoint reference only */
}
@keyframes intro {
  0% { opacity: 0 } 100% { opacity: 1 }
}
.blur-up {
  -webkit-filter: blur(5px);
  filter: blur(5px);
  transition: filter 400ms, -webkit-filter 400ms;
}
.blur-up.lazyloaded {
  -webkit-filter: blur(0);
  filter: blur(0);
}
.hack .readmore {
  margin-bottom: 2.2em;
}
.responsive-iframe {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  padding-top: 25px;
  height: 0;
}
.responsive-iframe iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
iframe {
  border: 0;
}
main, footer {
  animation: intro 0.3s both;
  animation-delay: 0.15s;
}
header:first-of-type + details {
  margin-top: 1rem;
}
footer time[datetime$="M"]:before {
  content: "\2013\0020";
}
body > footer p.muted {
  margin-bottom: 0;
}
@media only screen and (max-width: 768px) {
  footer time[datetime$="M"] {
    display: none;
  }
}
blockquote cite {
  display: block;
}
blockquote cite::before {
   content: "\2014\00A0";
}
:target {
  filter: brightness(1.2);
}
:disabled {
  cursor: not-allowed;
}
#search-app [v-cloak] {
  display: none;
}
/* hack.css overrides and enhancements */
.hack li ul {
  margin: 0;
}
.hack ol li {
  padding-left: 27px;
}
.main {
  padding: 20px 10px;
}
input.form-control {
  border-radius: 0;
  background-color: transparent;
  -webkit-appearance: none;
  -moz-appearance: none;
  -ms-appearance: none;
}
input.form-control,
textarea.form-control,
select.form-control,
.help-block {
  font-size: initial;
}
@media only screen and (max-width: 768px) {
  .help-block {
    font-size: unset;
  }
}
html {
  font-size: 13px;
}
.hack .form input,
.hack .form textarea,
.hack .form button,
.hack .form label {
  font-size: 1rem;
}
.hack .alert .highlight:first-of-type .chroma,
.hack .card .highlight:first-of-type .chroma {
  margin-top: unset;
}
.hack .alert .highlight:last-of-type .chroma,
.hack .card .highlight:last-of-type .chroma {
  margin-bottom: unset;
}
.hack blockquote,
.hack blockquote:after {
  line-height: 1.5;
}
.hack figure {
  margin: unset;
}
.hack figure a {
  border-bottom: none;
}
.hack figure a:hover {
  background-color: inherit;
}
article [itemprop="description"] {
  margin-bottom: 20px;
  margin-top: 20px;
}
article header img {
  width: 100%;
  border-radius: 3px;
}
table td, table th {
  line-height: inherit;
}
table a {
  border-bottom: unset;
}
img {
  max-width: 100%;
}
@media only screen and (min-width: 768px) {
  html {
    font-size: 16px;
    margin-left: calc(100vw - 100%);
  }
  .container {
    max-width: 50rem;
  }
}