index.css

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial,
    sans-serif, Apple Color Emoji, Segoe UI Emoji;
  background-color: #f0f0f0;
  color: #4e4e4e;
}

#loading {
  display: block;
  margin-top: 20vh;
}

#main {
  display: none;
}

.logo {
  width: 300px;
  vertical-align: middle;
}

.intro {
  vertical-align: middle;
  margin-left: 10px;
  font-style: italic;
}

.row {
  display: flex;
}

.column {
  flex: 50%;
  padding: 5px;
  padding-top: 0px;
}

button,
textarea {
  border-radius: 5px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0px;
  font-weight: 500;
}

.float-right {
  float: right;
}

.float-left {
  float: left;
}

.text-center {
  text-align: center;
}

a {
  color: #007bff;
  text-decoration: none;
}

textarea {
  width: 100%;
  height: 200px;
  margin: 20px 0px;
  margin-top: 5px;
  border: 1px solid #dfdfdf;
  height: 60vh;
  outline: none;
  padding: 5px;
  font-family: Consolas, "Ubuntu Mono", "Courier New", Courier, monospace;
  resize: none;
}

#settingsTextArea {
  height: 15vh;
}

button {
  padding: 10px 25px;
  margin: 0px 2px;
  border: 0px;
  outline: none;
  background-color: #dfdfdf;
}

button.green {
  background-color: #2db55d;
  color: white;
}

button.green:hover {
  background-color: #2aaf58;
}

button.green:active {
  background-color: #279f4e;
}

button:hover {
  background-color: #d1d1d1;
}

button:active {
  background-color: #a5a5a5;
}

textarea:focus,
button:focus {
  box-shadow: 0px 0px 0px 5px rgba(0, 123, 255, 1);
}

.credits {
  color: #8e8e8e !important;
}