hr {
  clear: both;
  margin: 40px 0;
  height: 0;
  border: solid #ddd;
  border-width: 1px 0 0;
}

pre {
  overflow: auto;
  position: relative;
  margin: 1em 0;
  padding: 20px;
  background-color: #222;
  border-radius: 4px;
  box-shadow: 0 12px 36px 8px rgba(34, 34, 34, 0.1);
  color: #fff;
  font-family: Courier, monospace;
  font-size: 0.85em;
  font-weight: normal;
  font-style: normal;
  line-height: 1.6;
  -moz-tab-size: 2;
    -o-tab-size: 2;
       tab-size: 2;
  -webkit-font-smoothing: auto;
}


main {
  margin: 0 auto;
  padding: 30px 20px;
  max-width: 1000px;
}

header h1 > strong {
  margin-right: 20px;
}
header h1 > span {
  display: block;
  font-size: 0.5em;
  font-weight: normal;
  line-height: 1.2;
}


article {
  display: block;
  background: #fff;
}

.button {
  transition: all 0.3s ease-out;
  display: inline-block;
  padding: 10px 20px;
  border: solid 1px #ddd;
  border-radius: 4px;
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  white-space: nowrap;
}
.button:hover {
  background: #222;
  border-color: #222;
  color: #fff;
}
.button svg {
  margin-right: 0.25em;
  vertical-align: bottom;
  fill: currentColor;
}

.dropdown__menu li {
  font-size: 16px;
}
.dropdown__menu a {
  cursor: pointer;
  display: block;
  clear: both;
  padding: 3px 10px;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}
.dropdown__menu a:hover {
  background-color: #f5f5f5;
}
.dropdown.beefup {
  display: inline-block;
  position: relative;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
}
.dropdown .beefup__head {
  cursor: pointer;
  display: inline-block;
  margin-bottom: 0;
  padding: 0 40px 0 10px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
  line-height: 2.5;
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
}
.dropdown .beefup__body {
  float: left;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  margin: 2px 0 0;
  padding: 5px 0;
  min-width: 160px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  font-size: 14px;
  list-style: none;
  text-align: left;
}

.mockup {
  height: 90px;
  background: linear-gradient(to right, #ddd 80%, transparent 0) 0 0px, linear-gradient(to right, #ddd 85%, transparent 0) 0 30px, linear-gradient(to right, #ddd 65%, transparent 0) 0 60px, linear-gradient(to right, #ddd 80%, transparent 0) 0 90px;
  background-repeat: no-repeat;
  background-size: 100% 20px;
}
.mockup-sm {
  height: 60px;
  background: linear-gradient(to right, #ddd 90%, transparent 0) 0 0px, linear-gradient(to right, #ddd 75%, transparent 0) 0 30px, linear-gradient(to right, #ddd 90%, transparent 0) 0 60px;
  background-repeat: no-repeat;
  background-size: 100% 20px;
}
.mockup-lg {
  height: 150px;
  background: linear-gradient(to right, #ddd 95%, transparent 0) 0 0px, linear-gradient(to right, #ddd 90%, transparent 0) 0 30px, linear-gradient(to right, #ddd 80%, transparent 0) 0 60px, linear-gradient(to right, #ddd 60%, transparent 0) 0 90px, linear-gradient(to right, #ddd 75%, transparent 0) 0 120px, linear-gradient(to right, #ddd 95%, transparent 0) 0 150px;
  background-repeat: no-repeat;
  background-size: 100% 20px;
}

.tab__head {
  margin: 0 0 -1px;
  padding: 0;
  list-style: none;
}
.tab__head li {
  display: inline-block;
  z-index: 100;
  background: #fff;
  border: 1px solid #ddd;
  font-weight: bold;
}
.tab__head li.is-open {
  border-bottom-color: transparent;
}
.tab__head a {
  display: block;
  padding: 0 10px;
  color: inherit;
  font-size: 16px;
  line-height: 2.5;
  text-decoration: none;
  white-space: nowrap;
}
.tab__item.beefup {
  display: none;
  margin: 0;
  border-radius: 0;
}
.tab__item.beefup.is-open {
  display: block;
}
.tab__item .beefup__head {
  display: none;
}