Just past the following Code on the button of the component-image-with-text.css you can find it in the Assets Folder.
@media only screen and (max-width: 749px) {
.image-with-text__text {
margin: 0 auto !important;
text-align: center;
}
@media only screen and (max-width: 749px) {
.image-with-text__heading {
margin: 0 auto !important;
text-align: center;
}
@media only screen and (max-width: 749px) {
.image-with-text__content .button {
margin: 20px auto !important;
text-align: center;
}