body {
    background: url(../img/uefa\ quizz\ img.jpg)
    no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;

}
.quiz-section {
    margin: auto;
    text-align: center;

}
.container{ 
    margin-top: 20px;
    padding: 1.5rem;
}
.question-question{
    margin: 10px;
    padding:1.5rem;
    font-size: 2.5rem;
}
.question-number{
    margin: 10px;
    padding: 1.2rem;
    font-size: 1.5rem;

}
.question-options{
    margin: 20px;
    padding:1.5rem;
    font-size: 1.5rem;
}