html {
  font-size: 10px;
  /* We have Fira Sans as default font in real device. But it isn't default in
   *    * browser. That's the main reason this line is here.*/
  font-family: "Fira Sans";
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

#main-section {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
section#header {
  height: 16rem;
  background-image: url(images/img_device_bg.png);
  position: relative;
}

section#grid {
  height: calc(100% - 16rem);
  background-color: #d1d1d1;
}

#refresh-button {
  position: absolute;
  right: 5.6rem;
  top: 25%;
}

.devices-container {
  width: 100%;
  height: 50%;
}

.devices-caption {
  width: 163.6rem;
  height: 12.6rem;
  line-height: 12.6rem;
  color: #323232;
  font-size: 4.2rem;
  font-style: italic;
  padding-left: 14.2rem;
}

.devices-list {
  padding-left: 14.2rem;
  padding-right: 14.2rem;
}

.devices-list > smart-button[type="app-button"] {
  background-color: #000;
  margin: 5.8rem 2.6rem 2.9rem 2.6rem;
  width: 18rem;
  height: 18rem;
}

.devices-list > smart-button[type="app-button"]:before {
  transform: scale(0.536);
  line-height: 13rem;
}

.devices-list > smart-button[type="app-button"].focused:before {
  color: #ffffff;
}

/** we use :after as label */
.devices-list > smart-button[type="app-button"]:after {
  width: 18rem;
  height: 5rem;
  font-size: 1.6rem;
}