body{
    font-family:  sans-serif;
    background: #f4f6fb;
  
}



.correct-option{
    background-color: #d4edda;
    border: 2px solid green;
}

.wrong-option{
    background-color: #f8d7da;
    border: 2px solid red;
}


.question-block{
    background: #ffffff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    transition: 0.3s;
}

.question-block:hover{
    transform: scale(1.01);
}

h3{
    margin-bottom: 10px;
     color: #1a237e;
}

label{
    cursor: pointer;
    display: block;
    padding: 6px;
    border-radius: 1px;
}

label:hover{
    background-color: #e3f2fd;
}

.quiz-btn{
    display: block;
    margin: 20px auto;
    padding: 10px 25px;
    font-size: 16px;
    border: none;
    border-radius: 6px;
    background-color: #1a237e;
    color: white;
    cursor: pointer;
}

.quiz-btn:hover{
    background-color: #3949ab;
}

#result{
    text-align: center;
    font-size: 20px;
    margin-top: 20px;
    font-weight: bold;
}

.correct{
    border-left: 5px solid green;
}

.wrong{
    border-left: 5px solid red;
}


input[type="radio"]{
    margin-right: 8px;
}