style.css

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}
.controls {
  display: flex;
  justify-content: center;
  font-size: 20px;
  margin-top: 15px;
}

.rgb {
  margin-top: 1%;
  margin-bottom: 1%;
  display: flex;
  justify-content: center;
  font-size: 20px;
}

.font {
  font-size: 1vh;
  margin-right: 1%;
}

.red {
  margin-right: 2%;
  color: red;
  font-size: 30px;
}

.blue {
  margin-right: 2%;
  color: blue;
  font-size: 30px;
}

.green {
  margin-right: 2%;
  color: green;
  font-size: 30px;
}

.chk {
  margin-left: 1%;
  margin-right: 1%;
  cursor: pointer;
  transform: scale(1.5);
}

.header {
  width: 100%;
  text-align: center;
  position: relative;
}

.gradient-text {
  overflow: hidden;
  background-image: linear-gradient(to right, red, green, blue);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 52px;
}

.row {
  display: flex;
  width: 100%;
}
.col {
  flex: 1;
  background-color: #efe7da;
  border-radius: 35px;
  margin: 1%;
  text-align: center;
}

#quiz {
  width: 400px;
  padding: 20px;
}

.question {
  font-size: 28px;
  margin-bottom: 20px;
}

.task {
  padding: 1%;
}

#answerInput {
  width: 60%;
  padding: 12px 20px;
  margin: 8px 0;
  box-sizing: border-box;
}

#optionForm label {
  display: block;
  font-size: 22px;
  margin-bottom: 2px;
}

#optionForm input[type="radio"] {
  margin-right: 10px;
}

#result {
  font-size: 28px;
}

.btn {
  margin-top: 1px;
  padding: 8px 20px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  margin-left: 15px;
}

.btn:hover {
  background-color: #0056b3;
}