You’ll have to play around with this code to get exactly what you want but use this: (add it to your additional css in customize)
@media screen and (min-width: 61.5625em) {
body:not(.search-results) article:not(.type-page) .entry-footer
{
float: none;
margin-top: 1.5em;
width: 100%;
}
.single .byline, .full-size-link,
body.group-blog:not(.search-results) .byline,
body:not(.search-results) .entry-format,
body:not(.search-results) .cat-links,
body:not(.search-results) .tags-links,
body:not(.search-results) article:not(.sticky) .posted-on,
body:not(.search-results) article:not(.type-page) .comments-link,
body:not(.search-results) article:not(.type-page) .entry-footer .edit-link
{
display: inline;
}
body:not(.search-results) article:not(.type-page) .entry-footer > span:not(:last-child):after
{
display: inline;
}
body:not(.search-results) article:not(.type-page) .entry-content
{
float: none;
width: 100%;
}
body:not(.search-results) article:not(.type-page) .entry-footer .avatar
{
display: inline;
margin: auto 0.3em 1em auto;
width: 27px;
}