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

body{
    background:#f5f5f5;
}

.container{
    width:90%;
    max-width:700px;
    margin:50px auto;
    background:#fff;
    padding:30px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,.1);
}

h1,h2,h3{
    text-align:center;
    margin-bottom:20px;
}

label{
    display:block;
    margin-top:15px;
    margin-bottom:8px;
    font-weight:bold;
}

input[type=text]{

    width:100%;
    padding:12px;
    border:1px solid #ccc;
    border-radius:5px;

}

textarea{

    width:100%;
    min-height:120px;
    padding:10px;

}

button{

    margin-top:20px;
    width:100%;
    padding:14px;
    border:none;
    border-radius:5px;
    background:#007bff;
    color:white;
    font-size:18px;
    cursor:pointer;

}

button:hover{

    background:#0056b3;

}

.question{

    margin-top:25px;
    padding:15px;
    border:1px solid #ddd;
    border-radius:8px;

}

.option{

    margin:10px 0;

}

.timer{

    position:fixed;
    top:20px;
    right:20px;
    background:red;
    color:white;
    padding:12px 20px;
    border-radius:8px;
    font-weight:bold;
    font-size:18px;

}

.success{

    background:#d4edda;
    color:#155724;
    padding:10px;
    border-radius:5px;
    margin-bottom:20px;

}

.error{

    background:#f8d7da;
    color:#721c24;
    padding:10px;
    border-radius:5px;
    margin-bottom:20px;

}