#main_window {
  width: 100%;
  height: 100%;
  display: block;
}

#window_header {
  width: 100%;
  height: 25px;
  box-sizing: boder-box;
  background-color: grey;
  padding: 0;
  margin-bottom: 0;
  border-radius: 10px 10px 0 0;
}

.window_wrapper {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  box-shadow: 0 4px 9px rgba(0, 0, 0, 0.35);
  float: left;
  padding-left: 10px;
}

#window_code {
  position: relative;
  min-height: 250px;
  border-radius: 0 0 10px 10px;
}

.button {
  background-color: #4caf50;
  border: 1px solid grey;
  width: 1em;
  height: 1em;
  display: inline-block;
  margin: 5px 5px;
  border-radius: 100%;
}

#buttons :nth-child(1) {
  background-color: tomato;
}
#buttons :nth-child(2) {
  background-color: orange;
}
#buttons :nth-child(3) {
  background-color: mind-green;
}

#Code {
  max-width: 100%;
  display: none;
}

#typed-paragraph {
  position: absolute;
  top: 0;
  left: 0;
}

#target {
  white-space: pre-wrap;
  overflow: hidden;
  line-height: 1.5em;
  font-family: monospace;
  color: #505050;
  font-size: 0.8em;
}

#target::after {
  content: " ";
  background-color: #505050;
  width: 20px;
  height: 20px;
  opacity: 1;
  font-weight: 800;
  -webkit-animation: blink 0.7s infinite;
  -moz-animation: blink 0.7s infinite;
  -ms-animation: blink 0.7s infinite;
  -o-animation: blink 0.7s infinite;
  animation: blink 0.7s infinite;
}

@-keyframes blink {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

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

@-moz-keyframes blink {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@-ms-keyframes blink {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@-o-keyframes blink {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}