* {
    box-sizing: border-box;
}

body {
    margin: 0;
    height: 100vh;

    background-image: url("poz2.png");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    background-size: 100% auto;

    /* ključ 
    background-size: 100% auto;
*/
    background-color: black;
    /* da nema praznog prostora */

    display: flex;
    justify-content: center;
    align-items: center;

    
}




.container {
    background-color: rgb(230, 161, 80);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    width: 33%;
    overflow: hidden;
}



.header-quiz {
    padding: 38px 50px;
}

h2 {
    padding: 16px;
    text-align: center;
    margin: 0;
    margin-bottom: 20px;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    font-size: 20px;
    margin: 16px;
}

ul li label {
    cursor: pointer;
}

button {
    background-color: rgb(209, 134, 61);
    border: none;
    color: black;
    display: block;
    width: 100%;
    font-size: 20px;
    padding: 22px;
    user-select: none;
    cursor: pointer;
}

button:hover {
    background-color: rgb(200, 134, 61);
}


.correct {
    font-size: 20px;
    text-align:right;
}

.correct-answer {
    background: #4CAF50;
    color: white;
    padding: 5px;
    border-radius: 5px;
}

.wrong-answer {
    background: #d63b30;
    color: white;
    padding: 5px;
    border-radius: 5px;
}

@media (max-width: 1400px) {

    .container{
        width:38%;
    }

    h2{
        margin-bottom:10px;
        padding:10px;
        font-size:20px;
    }

        .header-quiz {
            padding: 24px 32px;
        }

        ul li {
            font-size: 18px;
            margin: 10px;
        }

        button {
                    
                   
        font-size: 18px;
        padding: 14px;
                    
        }

        .correct{
            font-size:18px;
            margin-bottom:12px;
        }
}

@media (max-width: 900px) {

    body {
            background-image: url("telefon.png");
        }
    .container {
        width: 60%;
    }

    h2 {
        margin-bottom: 10px;
        padding: 10px;
        font-size: 20px;
    }

    .header-quiz {
        padding: 20px 26px;
    }

    ul li {
        font-size: 18px;
        margin: 8px;
    }

    button {
        font-size: 18px;
        padding: 12px;

    }

    .correct {
        font-size: 18px;
        margin-bottom: 12px;
    }

        /* telefoni i manji tableti */
        @media (max-width: 700px) {
            body {
                background-image: url("telefon.png");
            }

            .container{
                width:70%;
            }
        }

                 /* telefoni i manji tableti */
                 @media (max-width: 550px) {
                     body {
                         background-image: url("tel3.png");
                     }
        
                     .container {
                         width: 80%;
                     }
                 }
                        /* telefoni i manji tableti */
                        @media (max-width: 420px) {
                            body {
                                background-image: url("tel3.png");
                            }
    
                            .container {
                                width: 90%;
                            }
                            h2 {
                                margin-bottom: 10px;
                                padding: 10px;
                                font-size: 18px;
                            }

                            .header-quiz {
                                padding: 24px 10px;
                            }

                            ul li {
                                font-size: 16px;
                                margin: 8px;
                            }

                            button {
                                font-size: 16px;
                                padding: 12px;

                            }

                            .correct {
                                font-size: 16px;
                                margin-bottom: 12px;
                            }
                                 }
}