Моноблок на CSS

body {
  background: #b6b4b7;
  padding: 10px;
  font-family: Geneva, Arial, Helvetica, sans-serif;
}
.monoblock {
  width: 475px;
  margin: 0 auto;
}
.monitor {
  height: 345px;
  background: -webkit-linear-gradient(top, #255f6b 0%, #255f6b 83%, #ffffff 83%, #ffffff 100%);
  background: linear-gradient(to bottom, #255f6b 0%, #255f6b 83%, #ffffff 83%, #ffffff 100%);
  border-radius: 15px;
  position: relative;
  z-index: 1;
  padding-bottom: 10px;
  box-sizing: border-box;
  box-shadow: -8px 88px 44px -67px rgba(0, 0, 0, 0.14);
}
.monitor:before {
  content: '';
  position: absolute;
  top: 5%;
  bottom: 22%;
  left: 4%;
  right: 4%;
  background: #82aab4;
  z-index: 1;
  -webkit-transition: .1s;
  transition: .1s;
}
.screen {
  position: relative;
  z-index: 1;
  height: 85%;
  overflow: hidden;
  padding: 5%;
  display: table;
  width: 90%;
}
.content {
  display: table-cell;
  vertical-align: middle;
  text-align: center;
}
.button {
  position: absolute;
  bottom: 5%;
  margin: 0 auto;
  left: 0;
  right: 0;
  display: block;
  width: 8px;
  height: 8px;
  border: 10px solid #255f6b;
  border-radius: 50%;
  cursor: pointer;
}
.stand {
  width: 132px;
  margin: 0 auto;
  height: 46px;
  position: relative;
}
.stand-top {
  border-bottom: 16px solid #e8e8e8;
  border-left: 1px solid transparent;
  border-right: 3px solid transparent;
  height: 0;
  width: 92px;
  -webkit-transform: rotate(4deg);
  transform: rotate(4deg);
  position: absolute;
  right: 0;
  margin: 0 auto;
  top: -4px;
  left: 4px;
}
.stand-top:before {
  content: '';
  position: absolute;
  border-bottom: 20px solid #fff;
  border-left: 2px solid transparent;
  border-right: 5px solid transparent;
  height: 0;
  width: 95px;
  top: 15px;
  left: -2px;
}
.stand-bottom {
  border-bottom: 5px solid #fff;
  border-left: 16px solid transparent;
  border-right: 17px solid transparent;
  height: 0;
  width: 100px;
  margin: 0 auto;
  left: 0;
  right: 0;
  top: 25px;
  position: absolute;
  z-index: 2;
}
.stand-bottom:before {
  content: '';
  position: absolute;
  width: 132px;
  height: 15px;
  background: #fff;
  left: -15px;
  top: 5px;
}
.stand-bottom:after {
  content: '';
  position: absolute;
  top: 5px;
  left: -15px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 15.2px 0 0 135px;
  border-color: transparent transparent transparent #e8e8e8;
}
.power {
  display: none;
}
.content-off {
  display: none;
}
.power:checked ~ .monitor:before {
  background-color: #282828;
}
.power:checked ~ .monitor .content-off {
  display: table-cell;
}
.power:checked ~ .monitor .content-on {
  display: none;
}
.turn-off {
  font-size: 22px;
  font-weight: bold;
  word-spacing: -3px;
  color: #DE8E33;
}
.title {
  color: #ddd;
  margin: 0 0 5px 0;
  cursor: default;
}
.mailto {
  text-decoration: none;
  color: #ddd;
  font-size: smaller;
}
.mailto:visited {
  color: #ddd;
}