code {
  background-color: azure;
  border-radius: 7px;
  padding: 5px 20px;
  line-height: 20px;
}
textarea {
  margin: 3px;
}
input {
  margin: 3px;
}
button {
  margin: 3px;
}
button._submit {
  color: whitesmoke;
  background-color: blue;
  border: solid blue 1px;
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
}
button._submit:active {
  color: blue;
  background-color: whitesmoke;
}
.main-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px;
  }
  .head-container {
  height: 80px;
  width: 100%;
  float: left;
  }
  .emulator-panel--main {
  float: left;
  height: calc(100% - 110px);
  width: 60%;
  }
  .emulator-panel--left {
  width: 40%;
  float: left;
  height: calc(100% - 110px);
  overflow-y: auto;
  }
  .device-pane {
    display: none;
  }
  .device-pane._visible {
    display: block;
  }
  .result-pane {
    padding: 5px;
    border: 1px solid #666666;
    margin: 5px;
    height: 100%;
  }
  .state_indicator {
    position: fixed;
    top: 30px;
    right: 30px;
  }
  #txt_result{
    width: 100%;
    height: calc(100% - 20px);
    overflow-y: auto;
    overflow-x: hidden;
  }
  #txt_result p {
    margin: 0;
    padding: 0;
    font-size: 12px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
  }
  #txt_result span {
    font-size: 11px;
    color: #990000;
  }
  
  #txt_result span.error {
    font-size: 12px !important;
    color: #aa0000 !important;
  }
  
  #txt_result span.success {
    font-size: 12px !important;
    color: #00aa00 !important;
  }
  
  table.readings {
    margin: 5px;
    color: #666666;
    border-collapse: collapse;
    border: 1px solid grey;
  }
  table.readings td, 
  table.readings th  { 
    border: 1px solid grey;
    color: #666666;
    padding: 2px;
  }
  
  .control-pane{
    padding: 5px;
    background-color: #eeeeee;
    margin: 5px;
  }
  
  .control-pane._selected {
    background-color: #fee2e2;
  
  }