* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: whitesmoke;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: url(background.jpg);
    background-position: center;
    background-size: cover;
}

.quiz-container {
    background-color: #c87e3b;
    width: 90%;
    max-width: 500px;
    border-radius: 10px;
    padding: 30px;
    color: white;
}

.quiz-container h1 {
    font-size: 1.5rem;
    font-weight: 600;
    padding-bottom: 10px;
    text-align: center; 
}

hr {
    height: 3px;
    background-color: white;
    width: 80%;
    margin: 0 auto;
    border: none;
    border-radius: 5px;
}

.intro {
    text-align: center;
}

.intro,
.quiz {
    padding-top: 30px;
}

.intro h2,
.quiz h2 {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;

}

.quiz {
    display: none;
    flex-direction: column;
}

.btn {
    background-color: whitesmoke;
    font-weight: 500;
    width: 80%;
    border: none;
    padding: 10px;
    margin: 10px auto;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.5s ease;
    letter-spacing: .5px;
    font-size: 1.1rem;
    text-align: center;
    display: block;
    color: grey;
}

.btn:hover:not(:disabled) {
    background-color: rgb(247, 247, 131);
}

.btn:disabled {
    cursor: default;
}

#answer-buttons {
    padding-top: 20px;
}

#start-btn,
#next-btn {
    background-color: darkorange;
    color: white;
    font-weight: 700;
    width: 150px;
    border: 0;
    padding: 10px;
    margin: 20px auto 0;
    border-radius: 15px;
    cursor: pointer;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 1.1rem;
    transition: all 0.5s ease;
}

.correct,
.incorrect {
    color: white;
}

.correct {
    background-color: yellowgreen;
}

.incorrect {
    background-color: orangered;
}