#clips {
  display: none;
}
html, body {
  height: 100%; margin: 0; padding: 0;
}
body {
  text-align: center;
  font-family: sans-serif;
}
#titleBar {
  position: fixed;
  display: block;
  width: 100%;
  height: 50px;
  background-color: #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}
#titleBar h1 {
  font-size: 1em;
}
#titleBar button#help {
  position: absolute;
  right: 0; top: 0;
  border: none;
  border-left: 1px solid #fff;
  background-color: #ddd;
  width: 50px; height: 50px;
  font-size: 1em;
  font-weight: bold;
}
#buttonContainer {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
}
button#play {
  background: red;
  background: linear-gradient(to bottom, #DB3E36, #8A1F1A) repeat scroll 0 0 transparent;
  border-radius: 100%;
  box-shadow: 0 12px 3px rgba(0, 0, 0, 0.2),
    0 6px 1px rgba(0, 0, 0, 0.8),
    0 2px 0 rgba(255, 255, 255, 0.5) inset,
    0 12px 48px rgba(255, 100, 16, 0.8) inset,
    0 -12px 0 rgba(0, 0, 0, 0.2) inset;
  color: #FFFFFF;
  margin-top: 1em;
  border: 0;
  display: block;
  font-size: 48px;
  height: 220px;
  letter-spacing: -1px;
  line-height: 52px;
  outline: medium none;
  text-align: center;
  margin: 1em auto;
  text-decoration: none;
  text-shadow: 0 1px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
  width: 220px;
  position: relative;
  cursor: pointer;
}
button#play span {
  position: absolute;
  display: block;
  width: 217px;
  height: 220px;
  top: 50%;
  margin-top: -1.1em;
  left: 0;
  z-index: 999;
}
button#play:before {
  content: '';
  display: block;
  width: 217px;
  height: 220px;
  top: 0;
  left: 0;
  z-index: -1;
  border-radius: 100%;
  -moz-transition: .7s box-shadow ease;
  box-shadow: 0 0 transparent;
}
button#play:hover:before {
  box-shadow: 0 0 50px red;
}
button#play:active {
  border-radius: 100% 100% 100% 100%;
  box-shadow: 0 12px 3px rgba(0, 0, 0, 0.2),
    0 2px 1px rgba(0, 0, 0, 0.8),
    0 2px 0 rgba(255, 255, 255, 0.5) inset,
    0 12px 48px rgba(255, 100, 16, 0.8) inset,
    0 -12px 0 rgba(0, 0, 0, 0.2) inset;
  top: 4px;
}

#helpContainer {
  display: none;
  position: absolute;
  left: 0; top: 50px; right: 0px;
  padding: 2em;
  background-color: rgba(192,192,192,0.9);
  z-index: 9999;
}
body.help #helpContainer {
  display: block;
}
body.help #titleBar button#help {
  overflow: hidden;
}
body.help #titleBar button#help span {
  visibility: hidden;
}
body.help #titleBar button#help span:after {
  content: "X";
  visibility: visible;
  margin-left: -0.5em;
}