.screen {
  position: absolute;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: #000000;
}

.terminal_emulator {
  position: absolute;
  bottom: 0;
  width: 100%;
  min-height: 100%;
  padding: 40px;
  font-size: 20px;
  line-heght: 25px;
  box-sizing: border-box;
  text-align: left;
  font-family: monospace;
  font-weight: 700;
  color: #99ff99;
}

.terminal_emulator__field,
.terminal_emulator__command {
  position: relative;
  padding: 0 1em;
  margin: 0 0 9px 0;
}
.terminal_emulator__field:before, .terminal_emulator__field:after,
.terminal_emulator__command:before,
.terminal_emulator__command:after {
  position: absolute;
}
.terminal_emulator__field:before,
.terminal_emulator__command:before {
  left: 0;
  top: 0;
  content: ">";
}

.terminal_emulator__response,
.terminal_emulator__command b {
  padding-bottom: 9px;
}

.terminal_emulator__field {
  display: inline-block;
  min-width: 1em;
  min-height: 1.5em;
  box-sizing: border-box;
}
.terminal_emulator__field:after {
  right: 0;
  bottom: 0.25em;
  content: "";
  width: 1em;
  height: 1.5em;
  background: #99ff99;
  -webkit-animation: caretBlink 1s infinite;
          animation: caretBlink 1s infinite;
}
.terminal_emulator__field.waiting {
  padding-left: 0;
  padding-right: 0;
}
.terminal_emulator__field.waiting:before {
  display: none;
}

@-webkit-keyframes caretBlink {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0;
  }
  51% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

@keyframes caretBlink {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0;
  }
  51% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}