OK – DELETE this CSS in Customizer > Additional CSS:
.blog .post-image, .archive .post-image, .search .post-image {
margin: 0.5em 0 1em 0 !important;
float: none !important;
}
.blog .post-image img, .archive .post-image img, .search .post-image img {
width: 100%;
height: 250px;
-o-object-fit: cover;
object-fit: cover;
}
.entry-summary, .entry-meta {
font-size: 0.75em;
margin-top: 1em;
}
1 and 2 – change the Featured image size to a smaller value eg. Width = 200px, Height = Auto.
Then the image should align left.
3. For the border styling Marketer uses this CSS:
body:not(.single) .inside-article,
body:not(.single) .sidebar .widget {
border: 1px solid rgba(232, 234, 237, 1);
box-shadow: 0 0 10px rgba(232, 234, 237, 0.5);
}