fuckyourday/Escape/styles.css

body {
  background: #222222;
  overflow: hidden;
}

.screen {
  position: absolute;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: #222222;
}

.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: #80e69a;
}

.terminal_emulator__field,
.terminal_emulator__command {
  position: relative;

  padding: 0 1em;
  margin: 0 0 9px 0;

  &:before,
  &:after {
    position: absolute;
  }

  &: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;
  &:after {
    right: 0;
    bottom: 0.25em;

    content: "";
    width: 1em;
    height: 1.5em;
    background: #99ff99;

    animation: caretBlink 1s infinite;
  }

  &.waiting {
    padding-left: 0;
    padding-right: 0;
    &:before {
      display: none;
    }
  }
}

@keyframes caretBlink {
  0% {
    opacity: 0;
  }

  50% {
    opacity: 0;
  }

  51% {
    opacity: 1;
  }

  100% {
    opacity: 1;
  }
}