index.css

html, body {
  background: teal;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-family: 'Roboto', sans-serif;
}

.container {
  font-weight: 900;
  font-size: 80px;
  width: 80%;
  text-align: center;
  color: white;
}

.title {
  text-shadow:
    -5px 5px 0px #00e6e6,
    -10px 10px 0px #01cccc,
    -15px 15px 0px #00bdbd;
}

#text-container {
  background: #263238;
  width: 100%;
  height: 325px;
  border-radius: 10px;
  margin: 40px 0 30px;
  font-size: 14px;
  text-align: left;
}

::-webkit-scrollbar {
  display: none;
}

.CodeMirror,
.CodeMirror-scroll {
  border-radius: 10px;
}

button {
  font-family: 'Roboto', sans-serif;
  padding: 10px;
  font-weight: 900;
  border-radius: 5px;
  font-size: 18px;
  background: #00bdbd;;
  color: white;
  border-color: white;
  outline: none;
  cursor: pointer;
  border: 3px outset;
}

button:active {
  border: 3px inset;
}