body {
    font-family: sans-serif;
    background: linear-gradient(to right, rgba(8, 182, 217, 0.954), rgb(244, 7, 181));
    align-items: center;
        height: 100%;

}

.app {
    box-sizing: border-box;
    max-width: 600px;
    padding: 40px;
    background-color: aliceblue;
    margin: auto;
    border-radius: 50px;
    border: none;
    margin-top: 40px;
}

.qa {
    font-size: 60px;
    text-align: center;
    border-bottom: 2px solid black;
    padding-bottom: 20px;
    margin-bottom: 20px;
    margin-top: 10px;
}

h2 {
    font-size:large;
    margin-bottom: 20px;
}



.btn {
    padding: 10px;
    background-color: white;
    display: flex;
    border-radius: 10px;
    margin: 10px;
    border: 1px solid black;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover:not([disabled]) {
    background-color:black;
    transform: scale(1.06);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    color: white;

}

.btn:disabled{
    cursor: no-drop;
}

#nxt {
    background-color: rgb(7, 88, 229);
    color: white;
    padding: 10px;
    align-items: center;
    width: 20%;
    font-size: larger;
    font-weight: 500;
    border-radius: 20px;
    text-align: center;
    cursor: pointer;
    border: none;
    display: block;
    margin: auto;
    margin-top: 30px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: none;
}

#nxt:hover {
    background-color: rgb(20, 3, 150);
    transform: scale(1.1);
    
}

.correct{
    background-color: rgb(67, 245, 67);
    color: black;
}

.incorrect{
    background-color: rgb(243, 65, 65);
    color: rgb(73, 72, 72);
}

#score{
    color: blue;
    text-align: center;
    border-radius: 30px;
    background-color: rgba(211, 226, 43, 0.483);

}


@media screen and (max-width: 768px) {
    .qa {
        font-size: 2rem;
    }

    h2 {
        font-size: 1rem;
    }

    #nxt {
        width: 80%;
        font-size: 1rem;
    }
}

@media screen and (max-width: 480px) {
    .app {
        padding: 20px;
        border-radius: 20px;
    }

    .qa {
        font-size: 1.6rem;
    }

    .btn {
        font-size: 0.95rem;
        padding: 12px;
    }
    

    #nxt {
        width: 90%;
        font-size: 0.95rem;
    }
}