.overlay {
  background: rgba(0, 0, 0, 0.3);
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
}
.source {
  background: #FFF;
  border-radius: 10px;
  width: 600px;
  height: 500px;
  position: absolute;
  margin: 0 auto;
  top: 120px;
  right: 0;
  bottom: 0;
  left: 0;
}
.source textarea {
  padding: 1em;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border: 0 none;
  width: 100%;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  outline: 0 none;
  font-family: arial, sans-serif;
  font-size: 1.2em;
}
.source .markup {
  height: 15%;
  border-bottom: 1px solid #ddd;
}
.source .css {
  height: 84%;
  border-radius: 10px;
}
.hidden {
  display: none;
}
h1 {
  font-size: 4em;
  padding: 1em 0 1em 0;
}
.inner {
  width: 960px;
  margin: 0 auto;
}
.load-container {
  width: 240px;
  height: 240px;
  position: relative;
  overflow: hidden;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  z-index: 999999999;
  margin: auto;
  top:35%;
}
.load-container a:link,
.load-container a:visited {
  position: absolute;
  bottom: 3px;
  font-size: 1.15em;
  text-align: center;
  left: 0;
  right: 0;
  text-decoration: none;
  color: #FFF;
}
.load-container a:link:hover,
.load-container a:visited:hover {
  text-decoration: underline;
}
.loader {
  -webkit-transform: translateZ(0);
  -moz-transform: translateZ(0);
  -ms-transform: translateZ(0);
  -o-transform: translateZ(0);
  transform: translateZ(0);
}
.github img {
  position: absolute;
  top: 0;
  right: 0;
  border: 0;
}
a.twitter:link,
a.twitter:visited {
  font-size: 1.3em;
  line-height: 4em;
  float: left;
  margin: 30px 0 0 0;
  text-decoration: none;
  color: #FFF;
}
a.twitter:link:hover,
a.twitter:visited:hover {
  text-decoration: underline;
}
a.twitter img {
  border-radius: 50%;
  float: left;
  border: 1px solid #bbb;
  padding: 0.1em;
  background: #FFF;
}
a.twitter span {
  padding: 0 0 0 0.6em;
}
.link {
  text-decoration: none;
  color: #FFF;
}
.link:hover {
  text-decoration: underline;
}
.no-cssanimations .load-container .loader {
  text-indent: 0;
  text-align: center;
  color: #FFF;
  font-size: 17px;
  background: none;
  border: 0 none;
  width: auto;
  height: auto;
  margin: 1em auto;
  overflow: visible;
  box-shadow: none;
  -webkit-animation: none;
  animation: none;
}
.no-cssanimations .load-container .loader:before,
.no-cssanimations .load-container .loader:after {
  display: none;
}
@media (max-width: 960px) {
  .inner {
    width: 480px;
  }
}
@media (max-width: 500px) {
  .inner {
    width: 100%;
  }
  .load-container {
    width: 100%;
  }
}