styles.css

body {
  background-color: #fff;
  color: #212529;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  margin: 0;
  text-align: left;
}

.container {
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}

.jumbotron {
  background-color: #01b4bc;
  color: #fff;
  margin-bottom: 2rem;
  padding: 2rem 1rem;
  text-align: center;
}

.section {
  padding: 0.5rem 2rem 1rem 2rem;
}

.section:hover {
  background-color: #f5f5f5;
  transition: color 2s ease-in-out, background-color 0.15s ease-in-out;
}

h1 {
  font-family: "Montserrat", sans-serif;
  font-size: 48px;
}

button,
input[type="submit"] {
  background-color: #87d2d6;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.5;
  padding: 0.375rem 0.75rem;
  text-align: center;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
    border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  vertical-align: middle;
  outline: none;
}

input[type="text"] {
  line-height: 1.8;
  width: 25%;
}

input[type="text"]:hover {
  background-color: #f5f5f5;
  transition: color 2s ease-in-out, background-color 0.15s ease-in-out;
}

.incorrect {
  background-color: #fa5457;
}

.correct {
  background-color: #5fa55a;
}