.responsive-question {
text-align: center;
margin: 0 auto;
max-width: 400px; /* smaller on desktop */
}

.responsive-question img {
width: 100%;
height: auto;
display: block;
margin: 0 auto;
}

@media screen and (max-width: 768px) {
.responsive-question {
max-width: 100%; /* fill more space on mobile */
padding: 0 10px;
}
}