#form_quizz h2, #form_quizz .reponses {
font-family : roboto; 
margin: 3% 0;
}

#form_quizz {
display: flex;
flex-wrap: wrap;
align-items: center;
justify-content: center;
}

#form_quizz h2 {
width: 60%; 
font-size: 1.2em;
}

#form_quizz .reponses {
width: 40%;
}

.btn {
font-size: 1.1em;
text-transform: uppercase; 
background: #8BC34A;
color: #fff; 
padding: 15px 5%; 
border-radius: 4px; 
cursor: pointer;
min-width: 35%;
margin: 2% 0;
}

.btn:hover {
background: #479DB3; 
transition: all 0.1s; 
}

#form_quizz .submit {
display: flex; 
flex-wrap: wrap;
align-items: center;
justify-content: center;
width: 100%;
}