* {
  box-sizing: border-box;
}
body {
  background: #333;
  font-family: "Inconsolata", "Consolas", mono;
  padding: 3rem 0;
}
button {
  appearance: none;
  border: 0;
  cursor: pointer;
  font-family: "Inconsolata", "Consolas", mono;
  font-size: 18px;
  transition: 0.3s ease all;
}
.outer-frame,
.screen {
  display: block;
  margin: 0 auto;
  position: relative;
}
.outer-frame {
  background: #ccc url("https://preview.ibb.co/iS9nz7/screen_grunge.png") no-repeat center;
  background-size: cover;
  border-radius: 5px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.6);
  height: 560px;
  width: 750px;
}
.outer-frame:before {
  background: rgba(0,0,0,0.3);
  border-radius: 5px;
  box-shadow: inset 5px 5px 10px rgba(0,0,0,0.4), 1px 1px 1px rgba(255,255,255,0.3);
  content: '';
  height: 538px;
  left: 15px;
  position: absolute;
  top: 11px;
  width: 720px;
}
.screen {
  background: #000 url("https://image.ibb.co/gOqSz7/screen_dust.png") no-repeat center;
  background-size: cover;
  border-radius: 5px;
  height: 450px;
  left: 75px;
  padding: 60px;
  position: absolute;
  top: 55px;
  width: 600px;
}
.screen:after {
  background: url("https://s13.postimg.org/85ryuy1o7/dust.png") no-repeat center;
  background-size: cover;
  border-radius: 5px;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.5), inset 5px 5px 10px rgba(0,0,0,0.4), 1px 1px 1px rgba(255,255,255,0.3);
  content: '';
  height: 100%;
  left: 0;
  opacity: 0.8;
  pointer-events: none;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 2;
}
.screen-guts {
  border-bottom: 2px solid #8fc8c8;
  border-top: 2px solid #8fc8c8;
  height: calc(100% - 50px);
  position: relative;
  width: 100%;
  z-index: 0;
}
.screen-guts:after {
  border: 2px solid #8fc8c8;
  color: #8fc8c8;
  content: '键';
  padding: 5px 8px;
  position: absolute;
  right: 0;
  top: 5px;
}
.screen-guts h2 {
  background: #8fc8c8;
  color: #fff;
  display: inline-block;
  font-size: 24px;
  margin: 0 0 30px 0;
  padding: 10px;
}
.screen-guts p {
  color: #8fc8c8;
  font-size: 18px;
  margin: 0 0 30px 0;
}
.screen-guts p.column {
  column-width: 200px;
}
.screen-guts p span {
  text-transform: uppercase;
}
.screen-guts p span.error {
  color: #f37c56;
}
.screen-guts p span em {
  text-transform: none;
}
.screen-guts button.update-button {
  background: #889314;
  bottom: 30px;
  color: #fff;
  padding: 15px 20px;
  position: absolute;
  right: 10px;
}
.screen-guts button.update-button:hover {
  background: #515905;
}
.bottom-controls {
  background: #8fc8c8;
  border-radius: 0 0 5px 5px;
  bottom: 0;
  display: flex;
  left: 0;
  height: 50px;
  padding: 5px;
  position: absolute;
  width: 100%;
}
.bottom-controls button.back-button {
  background: rgba(0,0,0,0.2);
  color: #fff;
  line-height: 20px;
  padding: 8px 20px;
  text-transform: uppercase;
}
.bottom-controls button.back-button:hover {
  background: rgba(0,0,0,0.6);
}