body {
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    color: #fff;
    /* background: #5ce1e6; */
    line-height: 1.42857143;
    background-color: #004aad;
    background: url(../assets/img/background6.png);
}

.main {
    width: 100%;
    height: 100%;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    text-align: center;
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

h1 {
    margin-bottom: 20px;
}

.btn {
    margin: 5px;
}

#correctAnswer {
    font-weight: bold;
    font-size: 18px;
    color: #28a745;
}

.hidden {
    display: none;
}

.show {
    display: block;
}

#score {
    font-size: 1.5em;
}


/* Responsive CSS rules */

@media (max-width: 767.98px) {
    h1 {
        font-size: 28px;
    }
    .btn {
        margin: 3px;
        font-size: 14px;
        padding: 6px 12px;
    }
    #correctAnswer {
        font-size: 14px;
    }
    .container {
        max-width: 90%;
    }
    #score {
        font-size: 1.2em;
    }
}