style.css

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;700&display=swap");

* {
  box-sizing: border-box;
}

body {
  background-color: rgb(6, 23, 77);
  color: #fff;
  font-family: "Montserrat", Arial, Helvetica, sans-serif;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 90vh;
  margin: 0;
  padding: 0;
}

body.correct {
  background-color: green;
}

body.wrong {
  background-color: red;
}

.container {
  background-color: rgb(10, 71, 168);
  margin: 0;
  width: 600px;
  height: 50vh;
  padding: 15px;
  max-width: 80%;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgb(255, 255, 255);
}

#question {
  text-align: center;
  margin-top: 15px;
  font-size: 26px;
}

.answer-btns {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 18px;
  margin: 20px 0;
}

.btn {
  border: 1px solid rgb(6, 23, 77);
  border-radius: 10px;
  padding: 5px 10px;
  outline: none;
  background-color: #fff;
}

.btn.correct {
  background-color: green;
}

.btn.wrong {
  background-color: red;
}

.btn:hover {
  cursor: pointer;
  transform: scale(1.1);
}

.start-btn,
.next-btn {
  font-size: 28px;
  padding: 15px;
}

.controls {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hide {
  display: none;
}

h1 {
  font-size: 43px;
  margin-top: 65px;
  margin-bottom: 10px;
  text-align: center;
}

p {
  text-align: center;
  font-size: 26px;
  margin-bottom: 30px;
}

/* Media Queries */
@media screen and (max-width: 375px) {
  .container {
    height: 75%;
  }
}